Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
anh tang » anh bang, anh nang, anh sang
anh dang » anh dong, anh dung, anh bang
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » 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: theo ((chieu sach) or (trieu tinh)) - ((anh tang) or (anh dang)) cua thong cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (trieu tinh)) - ((anh tang) OR (anh dang)) cua thong cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (trieu tinh)) - ((anh tang) or (anh dang)) cua thong cong tan toan cau*.