Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh dung » thanh dung, anh dung, hanh dong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh
tan chat » van chat, tao chat, ban chat
chat cao » chat co, chat cho, chat bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - hanh dung ((cua dung) or (cua dong)) cong tan chat cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh dung ((cua dung) OR (cua dong)) cong tan chat cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh dung ((cua dung) or (cua dong)) cong tan chat cao*.