Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
dung luong » dung thuong, dung phuong, dung truong
trinh cua » tinh cua, trinh luat, trinh quan
manh toan » thanh toan, tinh toan
cua dung » cua dang, cua dong, qua dung
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 cua dung luong ((manh toan) OR (anh tuan)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (ha tinh)) - hanh trinh cua dung luong ((manh toan) OR (anh tuan)) cao~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (ha tinh)) - hanh trinh cua dung luong ((manh toan) OR (anh tuan)) cao*.