Perhaps you should try some spelling variations:
trinh luan » trinh luat, trinh quan, trinh han
canh trinh » canh tranh, hanh trinh, canh tinh
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
van tan » van tuan, van ban, van tai

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: ((ho chieu) OR (theo tieu)) xanh - canh trinh luan nhung cong ((van tan) OR (manh toan)) ban~.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo tieu)) xanh - canh trinh luan nhung cong ((van tan) or (manh toan)) ban*.