Perhaps you should try some spelling variations:
thanh trung » thanh tung
hiem ngan » kim ngan, viem gan
trung cap » truong cao, trung tam
dung cong » dung trong
hoc hiem » hoc hien, hoc thieu, hoc thiet
cap dung » ap dung, cao dung, chan dung
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 hiem ngan - thanh trung cap dung cong tac ((than cap) or (((toan ban) or (van ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hiem ngan - thanh trung cap dung cong tac ((than cap) OR (((toan ban) OR (van ban)))).
• Adding a wildcard symbol may retrieve word variants: hoc hiem ngan - thanh trung cap dung cong tac ((than cap) or (((toan ban) or (van ban))))*.