Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
truong va » truong dai, truong cao, truong dao
dung cong » dung trong
hoc hieu » hoc thieu, hoc hien, doc hieu
huong va » thuong va, luong va, duong va
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh lap, thanh cac
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 ((huong va) or (truong va)) dung cong dan ((than cap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - thanh ((huong va) OR (truong va)) dung cong dan ((than cap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - thanh ((huong va) or (truong va)) dung cong dan ((than cap) or (toan cao))*.