Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
dong doanh » dung doanh, trong doanh, doanh doanh
toc trieu » toc thieu, hoc thieu, hoc tieu
trinh van » trinh han, trinh quan, trinh toan
van nhung » van nhuong, va nhung, van hung
phan cau » phan dau, phan cac, phan tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: toc trieu tinh - canh trinh van nhung ((dong doanh) OR (huong dan)) phan cau~.
• Adding a wildcard symbol may retrieve word variants: toc trieu tinh - canh trinh van nhung ((dong doanh) or (huong dan)) phan cau*.