Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh hang » thanh hoang, thanh thang, tranh hang
theo sach » thuoc sach, te sach, theo lich
ca trong » cay trong, cad trong, co trong
cong tac » cong ty
doan cap » doanh cao, toan cao, doan va
hang ca » hang va, nang cao, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((theo sach) or (chieu sach)) - thanh hang ca trong cong tac ((doan cap) or (dan ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((theo sach) OR (chieu sach)) - thanh hang ca trong cong tac ((doan cap) OR (dan ca)).
• Adding a wildcard symbol may retrieve word variants: hoc ((theo sach) or (chieu sach)) - thanh hang ca trong cong tac ((doan cap) or (dan ca))*.