Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
dong cong » duong cong, dung cong, dang cong
thi hanh » thi thanh
cua dong » chua dong, cua cong, cua dang
cong san » cong tac
toan ban » van ban
doi thi » doi thoi, do thi, doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi thi hanh - hanh trinh cua dong cong san ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi thi hanh - hanh trinh cua dong cong san ((toan ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doi thi hanh - hanh trinh cua dong cong san ((toan ban) or (toan tap))*.