Perhaps you should try some spelling variations:
thanh nhung » thanh hung, hanh nhung, tranh nhung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
tung thanh » trung thanh, tang thanh, dung thanh
nhung cong » dung cong, thong cong, hang cong
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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 tung thanh nhung cong san ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh tung thanh nhung cong san ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh tung thanh nhung cong san ((toan cau) or (toan ban))*.