Perhaps you should try some spelling variations:
doanh sang » doanh quang, doanh ban, doanh van
lieu tinh » trieu tinh, diep tinh, bien tinh
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
gian cau » gian chau, gian cac, gian cam
sang va » hang va, song va, sang ma
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((lieu tinh) or (tien thinh)) - doanh sang va dung cong dan gian cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((lieu tinh) OR (tien thinh)) - doanh sang va dung cong dan gian cau.
• Adding a wildcard symbol may retrieve word variants: theo ((lieu tinh) or (tien thinh)) - doanh sang va dung cong dan gian cau*.