Perhaps you should try some spelling variations:
thanh trung » thanh tung
chiet tach » chieu sach
trung cap » truong cao, trung tam
cap duong » cau duong, cac duong, cap dung
ho chiet » ho chieu, ho thiet, hoc thiet
cong tan » cong tac, cong san, cong thanh
phan cau » phan dau, phan cac, phan tu
than cap » khan cap, thanh lap, thanh cac

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 cap duong ((cong tan) or (cong trinh)) ((phan cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh trung cap duong ((cong tan) OR (cong trinh)) ((phan cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh trung cap duong ((cong tan) or (cong trinh)) ((phan cau) or (than cap))*.