Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh quan » tinh quang, trinh luat, trinh han
thong cong » tong cong, thong thong, phong chong
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban
ha tinh » va tinh, may tinh

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 xanh) OR (ha tinh)) - hanh trinh quan ((thong cong) OR (trong cong)) van tuan ban~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (ha tinh)) - hanh trinh quan ((thong cong) or (trong cong)) van tuan ban*.