Perhaps you should try some spelling variations:
chiet tach » chieu sach
truong cao » truong dai
thong cong » trong cong, tong cong, thong thong
thanh cac » hanh cac, thanh bac, thanh ca
ho chiet » ho chieu, ho thiet, hoc thiet
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - thanh ((trung tam) or (truong cao)) thong cong dan ((phan cau) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh ((trung tam) OR (truong cao)) thong cong dan ((phan cau) OR (thanh cac)).
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh ((trung tam) or (truong cao)) thong cong dan ((phan cau) or (thanh cac))*.