Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
canh doanh » hanh doanh, chinh doanh, kinh doanh
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, diep tinh, bien tinh
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: du lieu tinh - ((canh doanh) or (doanh doanh)) cua nhung cong tan ((phan cac) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: du lieu tinh - ((canh doanh) OR (doanh doanh)) cua nhung cong tan ((phan cac) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: du lieu tinh - ((canh doanh) or (doanh doanh)) cua nhung cong tan ((phan cac) or (phan tu))*.