YOUR PROBLEM IS THAT YOUR CONTENT IS ALL UPPERCASE. THE ITALIAN WORD
BREAKER WILL BREAK REGGIO-EMILIA AS ONE WORD. HOWEVER IT WILL BREAK
Reggio-Emilia AS TWO WORDS. HAVE A LOOK AT THIS:

create database italian1
go
use italian1
GO
create fulltext catalog italian as default
go
create table italian (id int not null identity constraint italianPK primary
key, location varchar(30))
GO
create fulltext index on italian(location language italian) key index
italianpk
GO
insert into italian (location) values('REGGIO EMILIA')
insert into italian (location) values('REGGIO-EMILIA')
insert into italian (location) values('REGGIOEMILIA')
insert into italian (location) values('REGGIO NELL''EMILIA')
insert into italian (location) values('REGGIO DI EMILIA')

insert into italian (location) values('Reggio Emilia')
insert into italian (location) values('Reggio-Emilia')
insert into italian (location) values('Reggioemilia')
insert into italian (location) values('Reggio Nell''Emilia')
insert into italian (location) values('Reggio nell''Emilia')
insert into italian (location) values('Reggio Di Emilia')
insert into italian (location) values('Reggio di Emilia')

GO

SELECT id FROM italian WHERE CONTAINS(location , '"REGGIO-EMILIA"')
Result set: 2
-- Why not "REGGIO EMILIA" too?
--all uppercase will consider the word as one token
SELECT id FROM italian WHERE CONTAINS(location , '"Reggio-Emilia"')
--returns, 1, 3, 5, 6, 7, 8, 9, & 10

Case 2  (without thesaurus)
SELECT id,location FROM italian WHERE CONTAINS(location , '"REGGIO EMILIA"')
Result set: 1, 3
-- Why "REGGIO NELL'EMILIA" too? --nell is a noise word and as such is
discarded in the search
SELECT id FROM italian WHERE CONTAINS(location , '"Reggio Emilia"')
--returns, 1, 3, 6, 7, & 10

Case 3  (without thesaurus)
SELECT id,location FROM italian WHERE CONTAINS(location , '"REGGIO
NELL''EMILIA"')
Result set: 1, 3
-- Why "REGGIO EMILIA" too? nella is a noise word and thrown away

Case 4  (without thesaurus)
SELECT id,location FROM italian WHERE CONTAINS(location , '"REGGIO DI
EMILIA"')
Result set: 4

Case 5 (with thesaurus)
SELECT id FROM italian WHERE CONTAINS(location , 'FORMSOF
(THESAURUS,"REGGIO-EMILIA")',LANGUAGE 'Italian')
Result set: 2
-- Why only "REGGIO-EMILIA" ? Cause its uppper case, try this
SELECT id FROM italian WHERE CONTAINS(location , 'FORMSOF
(THESAURUS,"Reggio-Emilia")',LANGUAGE 'Italian')
--1, 3, 5, 6, 7, 8, 9, & 10 are returned
Case 6  (with thesaurus)
SELECT id FROM italian WHERE CONTAINS(location , 'FORMSOF (THESAURUS,"REGGIO
EMILIA")',LANGUAGE 'Italian')

SELECT id FROM italian WHERE CONTAINS(location , 'FORMSOF (THESAURUS,"REGGIO
NELL''EMILIA")',LANGUAGE 'Italian')

-- I can't figure out case 6 however