Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhieu tang » chieu sang, hieu lang, nhiet nang
luong cong » dung cong, trong cong, cong cong
tung cua » trung cua, tuong cua, tang cua
dung cua » dung luan, dung cho
cong san » cong tac
san toan » van toan, dan toan, manh toan
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 (nhieu tang)) - thanh ((tung cua) OR (dung cua)) luong cong san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (nhieu tang)) - thanh ((tung cua) OR (dung cua)) luong cong san toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (nhieu tang)) - thanh ((tung cua) OR (dung cua)) luong cong san toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (nhieu tang)) - thanh ((tung cua) OR (dung cua)) luong cong san toan cao*.