Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
thanh dung » thanh duong, thanh tung, thanh hung
dung cong » dung trong
ban thanh » ban hanh, ban hang
dung tay » dung tai, dung may, vung tay
tay dung » xay dung, tac dung, tay nung
van tan » van tuan, van ban, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) or (chiet tach)) - thanh dung tay dung cong ((van tan) or (ban thanh)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chiet tach)) - thanh dung tay dung cong ((van tan) OR (ban thanh)) cao.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chiet tach)) - thanh dung tay dung cong ((van tan) or (ban thanh)) cao*.