Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
trung hoc » trung quoc
theo chu » theo chieu, cho chu, chao chu
chu manh » ho manh, chu han, chu van
trung ha » trung tam, trung cap
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
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: theo chu manh - thanh ((trung ha) or (trung hoc)) khong cong tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu manh - thanh ((trung ha) OR (trung hoc)) khong cong tan than cap.
• Adding a wildcard symbol may retrieve word variants: theo chu manh - thanh ((trung ha) or (trung hoc)) khong cong tan than cap*.