Perhaps you should try some spelling variations:
thanh tung » thanh cong
hien manh » hien hanh, tien manh, hieu manh
cua trong » cua truong, cua trung, qua trong
tung cua » trung cua, tuong cua, dung cua
cong tan » cong thanh, cong ty, cong ha
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 hien manh - thanh tung cua trong ((cong tan) or (((cong san) OR (cong tac)))) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien manh - thanh tung cua trong ((cong tan) OR (((cong san) OR (cong tac)))) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien manh - thanh tung cua trong ((cong tan) or (((cong san) OR (cong tac)))) than cap".
• Adding a wildcard symbol may retrieve word variants: hoc hien manh - thanh tung cua trong ((cong tan) or (((cong san) OR (cong tac)))) than cap*.