Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh phu » thanh pho, nhanh phu, thanh chu
lang cong » dang cong, bang cong, hang cong
cong cong » cong dong, trong cong, dung cong
hieu van » hieu va, thien van, lieu va
phu lang » phap lang, phu khang, phu luong
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu sach) or (hieu van)) - thanh phu lang cong cong van phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu sach) OR (hieu van)) - thanh phu lang cong cong van phan lap*.