Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » hanh chinh
chua nang » chuc nang, chua xang, kha nang
nang cong » nang song, dang cong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu tinh - ((hanh trinh) or (canh tranh)) chua nang cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - ((hanh trinh) OR (canh tranh)) chua nang cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - ((hanh trinh) or (canh tranh)) chua nang cong dan van ban*.