Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
ban phuong » bang phuong, ban huong, van phuong
phuong dan » phuong danh, phuong doan, huong dan
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan

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 - hanh trinh cua ban phuong dan ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh trinh cua ban phuong dan ((toan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh trinh cua ban phuong dan ((toan ban) or (van ban))*.