Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
hieu tinh » chieu tinh, lieu tinh, kieu tinh
doanh cua » doanh luan
dang nong » dang cong, hang nong, tang nong
khoan cam » khoa cam, khoan va, phan cam
doc hieu » toc thieu, hoc thieu, hoc hien
cua dang » cua cong, cua ban
nong tac » cong tac, dong tac, nong tan
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu tinh - canh doanh cua dang nong tac ((ban cua) or (khoan cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu tinh - canh doanh cua dang nong tac ((ban cua) OR (khoan cam)).
• Adding a wildcard symbol may retrieve word variants: doc hieu tinh - canh doanh cua dang nong tac ((ban cua) or (khoan cam))*.