Perhaps you should try some spelling variations:
truong quan » thong quan, luong quan, truong van
trong quan » thong quan, tong quan, thong quang
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hieu lang » chieu sang, hieu quang, nhieu tang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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: ho ((hieu manh) or (hieu lang)) - thanh ((truong quan) OR (trong quan)) nhung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (hieu lang)) - thanh ((truong quan) OR (trong quan)) nhung cong tac toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (hieu lang)) - thanh ((truong quan) OR (trong quan)) nhung cong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (hieu lang)) - thanh ((truong quan) OR (trong quan)) nhung cong tac toan ban*.