Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nang quan » ban quan, nang suat
nang dua » nang du, nang suat, nang doc
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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 sach - anh ((((nang dua) or (nang luc))) or (nang quan)) thuong cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - anh ((((nang dua) OR (nang luc))) OR (nang quan)) thuong cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - anh ((((nang dua) or (nang luc))) or (nang quan)) thuong cong dan than cao*.