Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh hang » thanh hang, hang hang, hanh han
hang cong » dang cong, hang nong, bang cong
thanh lap » thanh san, phan lap, thanh hai
cong san » cong tac
than cua » nhan cua, thai cua, ban cua
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh hang va hang cong san ((than cua) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh hang va hang cong san ((than cua) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh hang va hang cong san ((than cua) or (thanh lap))*.