Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, ho chieu
trinh tu » trinh ky, trinh do
cong dan » cong san, cong tan, cong dong
than ban » thanh ban, toan ban, than man
tu dung » tuc dung, tu duong, su dung

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 tinh - hanh trinh tu dung ((cong dan) or (huong dan)) than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - hanh trinh tu dung ((cong dan) OR (huong dan)) than ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - hanh trinh tu dung ((cong dan) or (huong dan)) than ban*.