Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
thanh dung » thanh duong, thanh tung, thanh hung
cong danh » cuong danh, cong dan, cong thanh
luan han » luan hoan, luan phan, luan van
han cong » phan cong, hang cong, hanh cong
danh van » doanh van, dang van, dinh 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) or (chieu xanh)) - thanh dung luan han cong danh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu xanh)) - thanh dung luan han cong danh van ban*.