Perhaps you should try some spelling variations:
chiet tach » chieu sach
canh trinh » canh tranh, hanh trinh, canh tinh
trinh van » trinh han, trinh quan, trinh toan
luan phan » luan van, luan hoan
ho chiet » ho chieu, ho thiet, hoc thiet
ban nong » ban cong, ban nang, ban tong
dan phan » doan phan, dan chan, van phan
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 trinh van ban nong ((((dan phan) or (dam phan))) or (luan phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh trinh van ban nong ((((dan phan) OR (dam phan))) OR (luan phan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh trinh van ban nong ((((dan phan) or (dam phan))) or (luan phan)) cau*.