Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
cho chieu » ho chieu, theo chieu, chon chien
dung cong » dung trong
thang va » hang va, trang va, thong va
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
tang va » trang va, tang van, tang vat

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chieu sang - anh ((tang va) or (thang va)) dung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chieu sang - anh ((tang va) OR (thang va)) dung cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: cho chieu sang - anh ((tang va) or (thang va)) dung cong dan toan ban*.