Perhaps you should try some spelling variations:
quang thanh » quan thanh, hoang thanh, muong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, ho chieu
quan hanh » quan thanh, quang khanh, quan hoang
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - hanh trinh ((quan hanh) or (quang thanh)) cong tan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh trinh ((quan hanh) OR (quang thanh)) cong tan phan dau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh trinh ((quan hanh) or (quang thanh)) cong tan phan dau*.