Perhaps you should try some spelling variations:
khong quang » thong quang, hong quang, khong quan
tuan khong » toan khong, tuan phong, thuan phong
doanh phan » doanh nhan, doanh thanh, doanh luan
chuc tinh » chuc tin, chuc kinh, thuc tinh
manh tran » manh toan, manh tuan, hanh trang
doan phan » toan phan, dan phan, doanh nhan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi chuc tinh - ((manh tran) or (canh tranh)) tuan khong quang ((doan phan) OR (doanh phan)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi chuc tinh - ((manh tran) OR (canh tranh)) tuan khong quang ((doan phan) OR (doanh phan)) tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi chuc tinh - ((manh tran) or (canh tranh)) tuan khong quang ((doan phan) OR (doanh phan)) tu".
• Adding a wildcard symbol may retrieve word variants: hoi chuc tinh - ((manh tran) or (canh tranh)) tuan khong quang ((doan phan) OR (doanh phan)) tu*.