Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung tham » trung tam, trung thanh, trung thang
tham nhung » thi nhung
hoc chieu » hoc thieu, ho chieu, hoc hien
cong tac » cong ty
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: hoc chieu tinh - thanh trung tham nhung ((cong san) or (cong tac)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - thanh trung tham nhung ((cong san) OR (cong tac)) than cap.
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - thanh trung tham nhung ((cong san) or (cong tac)) than cap*.