Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
cua hang » cua dang, cua nhung, cua ban
cong dan » cong san, cong tan, huong dan
dan can » dan chan, dan canh, dan ca
can ban » van ban, toan ban

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