Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh qua » trinh quan, trinh cua, trinh quang
qua trong » quan trong, qua trinh, qua song
doc hieu » hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van
van cua » vang cua, ban cua, dan cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (toc thieu)) nganh - hanh trinh qua trong cong dan van cua~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) nganh - hanh trinh qua trong cong dan van cua*.