Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
cong cong » cong dong, trong cong, dung cong
cong nang » cong ngang, cong lang, cong nong
nang phat » nang suat, van phat
yen tinh » tuyen tinh
phat tu » phan tu, pham tu, phap tu

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

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