Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dong thanh » truong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
luan ung » luan hung, luon ung, luan chung
lan hung » van hung, luan chung, lan phuong
cong tan » cong tac, cong san, cong thanh
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - canh tranh ((luan ung) or (lan hung)) ((dong thanh) or (cong tan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh ((luan ung) OR (lan hung)) ((dong thanh) OR (cong tan)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh ((luan ung) or (lan hung)) ((dong thanh) or (cong tan)) toan tap*.