Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
minh nhung » minh nhuong, menh nhung, minh ngung
hanh pham » thanh pham, khanh pham, hang pham
minh hung » manh hung, vinh hung, dinh hung
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than ban » thanh ban, toan ban, than man

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 sach) OR (chieu sang)) - hanh pham ((minh hung) OR (minh nhung)) cong tan than ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chieu sang)) - hanh pham ((minh hung) OR (minh nhung)) cong tan than ban~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu sang)) - hanh pham ((minh hung) OR (minh nhung)) cong tan than ban*.