Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
hanh doanh » hang doanh, chinh doanh, kinh doanh
mot trieu » mot chieu, mot tri, mon triet
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
cong anh » cong danh, dong anh, hong anh
tang tai » hang tai, dung tai, sang tao
tan tai » toan tai, tuan tai, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: mot trieu tinh - ((hanh doanh) OR (doanh doanh)) luan dung cong anh ((tan tai) or (tang tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mot trieu tinh - ((hanh doanh) OR (doanh doanh)) luan dung cong anh ((tan tai) OR (tang tai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "mot trieu tinh - ((hanh doanh) OR (doanh doanh)) luan dung cong anh ((tan tai) or (tang tai))".
• Adding a wildcard symbol may retrieve word variants: mot trieu tinh - ((hanh doanh) OR (doanh doanh)) luan dung cong anh ((tan tai) or (tang tai))*.