Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
hanh doanh » chinh doanh, kinh doanh, hanh dong
hang doanh » nhung doanh, van doanh, dung doanh
luan thong » luan phong, luan tuong, luat thong
thong dung » thong cong, thong thuong
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
dung tac » dung tai, dung cac, dung tay
tac han » tac nhan, tac ha, tac can
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu lang - ((((hanh doanh) or (doanh doanh))) or (hang doanh)) luan thong dung tac han tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - ((((hanh doanh) OR (doanh doanh))) OR (hang doanh)) luan thong dung tac han tap.
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - ((((hanh doanh) or (doanh doanh))) or (hang doanh)) luan thong dung tac han tap*.