Perhaps you should try some spelling variations:
chiet tach » chieu sach
canh tran » canh tranh, hanh trang, banh trang
dung cong » dung trong
doan phan » doanh phan, toan phan, dan phan
ho chiet » ho chieu, ho thiet, hoc thiet
tran van » luan van
van dung » van dong, xay dung, tin dung
dam phan » d phan, va phan, van 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 chiet tach - canh tran van dung cong ((dam phan) or (doan phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh tran van dung cong ((dam phan) OR (doan phan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh tran van dung cong ((dam phan) or (doan phan)) cau*.