Perhaps you should try some spelling variations:
tuan thong » toan thong, tran thong, tuan phong
hien sach » dien sach, kien sach, thien hach
thanh tra » thanh toan, thanh hoa
tra tuan » tran tuan, tra quan, tri tuan
cong san » cong tac
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sach - thanh tra tuan thong ((cong san) or (cong ty)) ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - thanh tra tuan thong ((cong san) OR (cong ty)) ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien sach - thanh tra tuan thong ((cong san) or (cong ty)) ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - thanh tra tuan thong ((cong san) or (cong ty)) ((toan cau) OR (toan cao))*.