Perhaps you should try some spelling variations:
nhon phuong » nhung phuong, thong phuong, hoc phuong
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh trinh » canh tranh, hanh chinh
trinh vuot » trinh luat, trinh vat, trinh viet
phuong dan » phuong danh, phuong doan, huong dan
vuot nhon » vui nhon
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (chieu sang)) - hanh trinh vuot nhon phuong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sang)) - hanh trinh vuot nhon phuong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sang)) - hanh trinh vuot nhon phuong dan toan cao*.