Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
hoc thieu » toc thieu, hoc hien
trinh van » trinh han, trinh quan, trinh toan
tong cong » cong cong, dung cong, dang cong
van thanh » ban thanh, van tuan
thanh dau » thanh dat, thanh dam, thanh mau
doc hieu » toc thieu, hoc hien

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: ((hoc thieu) OR (doc hieu)) xanh - canh trinh van ((tong cong) OR (trong cong)) van thanh dau~.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doc hieu)) xanh - canh trinh van ((tong cong) or (trong cong)) van thanh dau*.