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
trung tuan » trung thanh, trung tam, tran tuan
tuan dung » tuan duong, tran dung, tan dung
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
tran tap » toan tap, tran tan, tran tuan
tran van » luan van

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 tuan dung ((cong tan) or (cong san)) ((tran tap) or (tran van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh trung tuan dung ((cong tan) OR (cong san)) ((tran tap) OR (tran van)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh trung tuan dung ((cong tan) or (cong san)) ((tran tap) or (tran van))*.