Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tran » thanh trang, thanh toan, thanh tra
tuan luong » tuan duong, xuan luong, tien luong
luan luong » luan phuong, tuan duong, van luong
cong tam » cong tac, cong tan, cong nam
tam toan » tap toan, tam than, pham toan
toan cau » toan cao, toan ban, 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 xanh) or (nhiet dong)) - thanh tran ((tuan luong) OR (luan luong)) cong tam toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (nhiet dong)) - thanh tran ((tuan luong) OR (luan luong)) cong tam toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (nhiet dong)) - thanh tran ((tuan luong) OR (luan luong)) cong tam toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (nhiet dong)) - thanh tran ((tuan luong) OR (luan luong)) cong tam toan cau*.