Perhaps you should try some spelling variations:
thanh tung » thanh cong
doi chieu » doi chi, ho chieu, mot chieu
tung tuan » trung tuan, hung tuan, quang tuan
tuan hung » tran hung, luan hung, tuan dung
doc hieu » toc thieu, hoc thieu, hoc hien
cong tac » cong ty
phan cau » phan dau, phan cac, phan tu

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) or (doc hieu)) sach - thanh tung tuan hung ((cong san) or (cong tac)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) sach - thanh tung tuan hung ((cong san) OR (cong tac)) phan cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doc hieu)) sach - thanh tung tuan hung ((cong san) or (cong tac)) phan cau*.