Perhaps you should try some spelling variations:
thanh trung » thanh tung
thang long » thanh cong
trung cap » truong cao, trung tam
cap thang » cau thang, cang thang, nam thang
thanh cau » thanh chau, thanh mau, thanh ca
nhanh cau » nhanh cay, thanh chau, nhanh ha
chi sach » chinh sach, chieu sach, moi sach
long san » long span, luong san, cong san
co sach » bo sach, cuon sach, hoc sach

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi sach) OR (co sach)) - thanh trung cap thang long san ((thanh cau) or (nhanh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi sach) OR (co sach)) - thanh trung cap thang long san ((thanh cau) OR (nhanh cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi sach) OR (co sach)) - thanh trung cap thang long san ((thanh cau) or (nhanh cau))".
• Adding a wildcard symbol may retrieve word variants: doi ((chi sach) OR (co sach)) - thanh trung cap thang long san ((thanh cau) or (nhanh cau))*.