Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trung » thanh trung, hanh trang, danh trung
manh trung » manh tung, thanh trung, manh hung
doi chieu » doc hieu, doi chi, ho chieu
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - ((hanh trung) OR (manh trung)) cua nhung ((cong tan) or (huong dan)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - ((hanh trung) OR (manh trung)) cua nhung ((cong tan) OR (huong dan)) than cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - ((hanh trung) OR (manh trung)) cua nhung ((cong tan) or (huong dan)) than cap*".