Perhaps you should try some spelling variations:
thuong gap » thuong mai, thuong va
hieu manh » chieu xanh, hieu nganh, dieu hanh
thong cap » thong cac, trung cap, thong cua
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - thanh ((thong cap) or (thuong gap)) dung ((cong tan) OR (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - thanh ((thong cap) OR (thuong gap)) dung ((cong tan) OR (cong tac)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - thanh ((thong cap) or (thuong gap)) dung ((cong tan) OR (cong tac)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - thanh ((thong cap) or (thuong gap)) dung ((cong tan) OR (cong tac)) toan ban*.