Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
cong cong » cong dong, trong cong, dung cong
anh nang » ganh nang, anh bang, anh dang
nang cua » mang cua, hang cua, nang dua
cong san » cong tac
toan ban » van ban
toan cao » toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sang) or (chieu sach)) - anh nang cua cong cong san ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu sach)) - anh nang cua cong cong san ((toan ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chieu sach)) - anh nang cua cong cong san ((toan ban) or (toan cao))*.