Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cong cong » cong dong, trong cong, dang cong
dung cong » dung trong
mai dien » mach dien, hai diem, mai dich
mai viet » thi viet
van than » van thanh, van thang, van tuan
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mai dien) OR (mai viet)) tinh - hanh trinh cua ((cong cong) or (dung cong)) van than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mai dien) OR (mai viet)) tinh - hanh trinh cua ((cong cong) OR (dung cong)) van than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mai dien) OR (mai viet)) tinh - hanh trinh cua ((cong cong) or (dung cong)) van than cap".
• Adding a wildcard symbol may retrieve word variants: ((mai dien) OR (mai viet)) tinh - hanh trinh cua ((cong cong) or (dung cong)) van than cap*.