Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
vien thanh » viet thanh, tien thanh, dien thanh
hanh trinh » canh tranh, hanh chinh
luat dung » suat dung, luat chung, thuat dung
trong dan » trong dang, trong san, trong tan
dan toan » van toan, dan than, manh toan
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu xanh) or (vien thanh)) - hanh trinh luat dung trong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu xanh) OR (vien thanh)) - hanh trinh luat dung trong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: doc ((chieu xanh) or (vien thanh)) - hanh trinh luat dung trong dan toan ban*.