Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
van nhung » van nhuong, va nhung, van phung
tran chau » tranh chap, tran huu
ho chieu » theo chieu, hoc thieu, doi chieu
van hung » van dung, manh hung, van duong
cong tac » cong ty

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh tranh ((van nhung) OR (van hung)) ((cong tac) OR (cong san)) tran chau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh tranh ((van nhung) OR (van hung)) ((cong tac) or (cong san)) tran chau~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh tranh ((van nhung) OR (van hung)) ((cong tac) or (cong san)) tran chau*.