Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, kieu tinh
chau tinh » cuu tinh, ha tinh, cua tinh
hanh hang » thanh hang, hang hang, hanh han
dung cong » dung trong
tan thanh » tran thanh, tang thanh, toan thanh
thanh cau » thanh chau, thanh mau, nhanh cau
cong tan » cong tac, cong san, cong thanh
va dung » van dung, va duong, vat dung

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) or (chau tinh)))) - hanh hang va dung cong tan thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (((chieu tinh) OR (chau tinh)))) - hanh hang va dung cong tan thanh cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (((chieu tinh) or (chau tinh)))) - hanh hang va dung cong tan thanh cau*.