Perhaps you should try some spelling variations:
tuan nhung » quan nhung, tuan hung, thuat nhung
hieu manh » chieu xanh, hieu nganh, dieu hanh
thanh tra » thanh toan, thanh hoa
hoc hieu » hoc thieu, hoc hien, doc hieu
tra tuan » tran tuan, tra quan, tri tuan
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap

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 tra tuan nhung ((cong tan) OR (cong tac)) ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - thanh tra tuan nhung ((cong tan) OR (cong tac)) ((toan tai) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - thanh tra tuan nhung ((cong tan) OR (cong tac)) ((toan tai) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - thanh tra tuan nhung ((cong tan) OR (cong tac)) ((toan tai) or (toan cao))*.