Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
hanh trang » thanh trung, canh tranh, hanh trinh
cua hang » cua nhung, cua cong, cua ban
cua dang » cua cong, cua ban
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cao » toan cao, thai cao, than cap

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

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