Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh tranh » canh tranh, hanh trinh, hanh trang
ho chiet » ho chieu, ho thiet, hoc thiet
van dang » van dong, van dung, van dan
van nang » van quang, van ban, van dong
cong tan » cong tac, cong san, cong thanh
than ban » thanh ban, toan ban, than man

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 - hanh tranh ((van dang) or (van nang)) ((cong tan) or (huong dan)) than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh tranh ((van dang) OR (van nang)) ((cong tan) OR (huong dan)) than ban.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh tranh ((van dang) or (van nang)) ((cong tan) or (huong dan)) than ban*.