Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, ho chieu
quan dang » quang dang, quan dong, tuan dang
quan lang » quan hoang, gian lang, quan luan
cong tap » cuong tap, cong tac, cong tan
tap doan » tap quan
doan cau » toan cau, doan dau, doan cap

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: ((doi chieu) OR (toc thieu)) xanh - hanh trinh ((quan dang) OR (quan lang)) cong tap doan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (toc thieu)) xanh - hanh trinh ((quan dang) OR (quan lang)) cong tap doan cau~".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) xanh - hanh trinh ((quan dang) OR (quan lang)) cong tap doan cau*.