Perhaps you should try some spelling variations:
hang doanh » nhung doanh, van doanh, dung doanh
hanh doanh » chinh doanh, doanh doanh, kinh doanh
mot chieu » doi chieu, ho chieu
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
cong anh » cong danh, dong anh, hong anh
tuan tai » toan tai, quan tai, tan 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 chieu) or (mot tri)) tinh - ((hanh doanh) OR (hang doanh)) luan dung cong anh tuan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (mot tri)) tinh - ((hanh doanh) OR (hang doanh)) luan dung cong anh tuan tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (mot tri)) tinh - ((hanh doanh) OR (hang doanh)) luan dung cong anh tuan tai".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (mot tri)) tinh - ((hanh doanh) OR (hang doanh)) luan dung cong anh tuan tai*.