Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
hoc vien » hoc hien, hoc viet, hoc tieng
cua hang » cua dang, cua nhung, cua cong
cong dan » cong tan, huong dan, cong dong
cong tac » cong ty
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc vien bach - hanh trinh cua hang ((cong dan) or (((cong san) OR (cong tac)))) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc vien bach - hanh trinh cua hang ((cong dan) OR (((cong san) OR (cong tac)))) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc vien bach - hanh trinh cua hang ((cong dan) or (((cong san) OR (cong tac)))) toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc vien bach - hanh trinh cua hang ((cong dan) or (((cong san) OR (cong tac)))) toan tap*.