Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhieu tang » chieu sang, hieu lang, nhiet nang
nhan thanh » nhanh thanh, phan thanh, nhan nhanh
anh nhan » danh nhan, doanh nhan, thanh nhan
cong tap » cuong tap, cong tac, tong tap
cong tan » cong tac, cong san, cong thanh
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: doi ((chieu sach) or (nhieu tang)) - anh nhan thanh cong ((cong tap) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (nhieu tang)) - anh nhan thanh cong ((cong tap) OR (cong tan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (nhieu tang)) - anh nhan thanh cong ((cong tap) or (cong tan)) toan cau*.