Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
tranh luat » tranh luan, trinh luan, tranh cua
doi chieu » doc hieu, doi chi, ho chieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
gian nan » gian dan, gian lan, gian van

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 - canh ((tranh luat) OR (trinh luat)) nhung ((cong dan) or (cong tan)) gian nan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - canh ((tranh luat) OR (trinh luat)) nhung ((cong dan) OR (cong tan)) gian nan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - canh ((tranh luat) OR (trinh luat)) nhung ((cong dan) or (cong tan)) gian nan".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - canh ((tranh luat) OR (trinh luat)) nhung ((cong dan) or (cong tan)) gian nan*.