Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh dung » thanh duong, thanh tung, thanh hung
doi chieu » doc hieu, doi chi, ho chieu
dung cua » dung luan, dung cho
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, cong dong, cong tac
cong tan » cong tac, cong san, cong thanh
than ban » thanh ban, toan ban, than man

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 - thanh dung cua tong ((((cong dan) OR (cong tan))) or (huong dan)) than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh dung cua tong ((((cong dan) OR (cong tan))) OR (huong dan)) than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - thanh dung cua tong ((((cong dan) OR (cong tan))) or (huong dan)) than ban".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh dung cua tong ((((cong dan) OR (cong tan))) or (huong dan)) than ban*.