Perhaps you should try some spelling variations:
thanh trung » thanh tung
luong cong » dung cong, trong cong, cong cong
trung cao » truong cao, trung cap, trung co
cao luong » cat luong, cao cuong, chat luong
kim ngan » kim ngoc
cong tac » cong ty
than cap » khan cap, thanh lap, thanh cac
hoc kim » hoc ki, nhuoc kim, hoc kinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc kim ngan - thanh trung cao luong cong tac ((than cap) or (((toan ban) or (van ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc kim ngan - thanh trung cao luong cong tac ((than cap) OR (((toan ban) OR (van ban)))).
• Adding a wildcard symbol may retrieve word variants: hoc kim ngan - thanh trung cao luong cong tac ((than cap) or (((toan ban) or (van ban))))*.