Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
tac dung » sach dung, tin dung, van dung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
bo sach » co sach, hoc sach

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 (bo sach)) - thanh tung ((tac dung) or (xay dung)) cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (bo sach)) - thanh tung ((tac dung) OR (xay dung)) cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (bo sach)) - thanh tung ((tac dung) or (xay dung)) cong dan toan cau*.