Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
hanh doanh » hang doanh, chinh doanh, kinh doanh
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
doan phan » doanh phan, toan phan, doanh nhan
dan phan » dan chan, van phan, dam phan

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

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