Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang
nhieu tang » hieu lang, nhiet nang
cuong cong » cong cong, luong cong, duong cong
va cuong » van cuong, va chuong, va cong
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than ban » thanh ban, toan ban, than man
lan anh » van anh, tuan anh
anh va » hanh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (((chieu sang) OR (nhieu tang)))) - lan anh va cuong cong tac than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((chieu sang) OR (nhieu tang)))) - lan anh va cuong cong tac than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (((chieu sang) OR (nhieu tang)))) - lan anh va cuong cong tac than ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((chieu sang) OR (nhieu tang)))) - lan anh va cuong cong tac than ban*.