Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thai hang » thai hoang, thi hang, thai bang
tac nhanh » tac nhan, tac thanh, tai nhanh
nhanh cau » nhanh cay, thanh chau, nhanh ha
hay hang » pham hang, hang hang, han chang
cong tac » cong ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - thanh trung ((hay hang) or (thai hang)) cong tac nhanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh trung ((hay hang) OR (thai hang)) cong tac nhanh cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh trung ((hay hang) or (thai hang)) cong tac nhanh cau*.