Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hang hang » nang hang, cang thang, hung thang
cong cong » cong dong, trong cong, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
tan toan » tan tran, tap toan, dan toan
van toan » van tuan, van tan, van thanh
hang ca » hang va, nang cao, hang tai
ca cong » cua cong, cac cong, cao cong

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 - hang hang ca cong cong ((tan toan) or (van toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hang hang ca cong cong ((tan toan) OR (van toan)) cao*.