Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tranh vat » trinh vat, tranh va, tranh van
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
vat dung » van dung, va dung, viet dung
dan chan » dan gian, dan ca, van chat
van phan » van phong, van thanh, luan phan

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 vat dung cong ((dan chan) or (van phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh vat dung cong ((dan chan) OR (van phan)) cau*.