Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tranh chua » tranh cua, trinh chuan, tranh chap
chua dang » cua dang, chua dong, chua nang
dang cong » dung cong
cong tan » cong tac, cong san, cong thanh
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: ho ((chieu sach) or (trieu tinh)) - canh tranh chua dang cong tan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (trieu tinh)) - canh tranh chua dang cong tan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (trieu tinh)) - canh tranh chua dang cong tan ((toan cau) or (toan ban))*.