Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
van khanh » van thanh, van hanh, van anh
khanh cap » hanh cap, khan cap, hanh cac
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (chieu xanh)) - hanh trinh ((cua dung) or (cua dang)) cong van khanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - hanh trinh ((cua dung) OR (cua dang)) cong van khanh cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - hanh trinh ((cua dung) or (cua dang)) cong van khanh cap*.