Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
hong thai » cong thai, hong ha, hinh thai
dung cong » dung trong
thai lua » thai luan, thai luat, thai cua
lua dung » qua dung, luan hung, qua duong
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: doi ((chieu sach) or (chieu tinh)) - hong thai lua dung cong thanh phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chieu tinh)) - hong thai lua dung cong thanh phan lap.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chieu tinh)) - hong thai lua dung cong thanh phan lap*.