Perhaps you should try some spelling variations:
thuong dong » phuong dong, tuong dong, chuong dong
chieu sach » chinh sach, chiet tach, chieu sang
nang quan » ban quan, nang suat
ho chieu » theo chieu, hoc thieu, doi chieu
nang dua » nang du, nang suat, nang doc
dong van » duong van, dang van, dong von
van than » van thanh, van thang, van tuan
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: ho chieu sach - anh ((((nang dua) or (nang luc))) or (nang quan)) thuong dong van than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - anh ((((nang dua) OR (nang luc))) OR (nang quan)) thuong dong van than cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - anh ((((nang dua) or (nang luc))) or (nang quan)) thuong dong van than cao*.