Perhaps you should try some spelling variations:
luong thanh » muong thanh, truong thanh, dong thanh
nhung luong » hung luong, nhung huong, nhung tuong
theo chieu » theo tieu, theo chu, thi chieu
nang quan » nang suat
thanh van » thanh san, thanh toan, thanh phan
ho chieu » hoc thieu, doi chieu, mot chieu
ban quan » van quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (ho chieu)) sach - hanh ((nang quan) OR (ban quan)) nhung luong thanh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - hanh ((nang quan) OR (ban quan)) nhung luong thanh van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (ho chieu)) sach - hanh ((nang quan) OR (ban quan)) nhung luong thanh van ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) sach - hanh ((nang quan) OR (ban quan)) nhung luong thanh van ban*.