Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
doanh luan » doanh nhan
luan tang » luan nang, lan tang, xuan trang
tang mong » mang mong, hang mong, tang dong
mong than » long than, song than, muong thanh
hang dau » hang va
hang tai » hang va, dung tai

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 xanh) or (chieu sang)) - kinh doanh luan tang mong than ((hang dau) OR (hang tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - kinh doanh luan tang mong than ((hang dau) OR (hang tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chieu sang)) - kinh doanh luan tang mong than ((hang dau) OR (hang tai))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - kinh doanh luan tang mong than ((hang dau) OR (hang tai))*.