Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hien nhanh » hien hanh, tien thanh, dien thanh
tranh cua » doanh cua, manh cua
gian lang » gian dan
cua dang » cua cong, cua ban
cong dan » cong tan, huong dan, cong dong
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien nhanh) OR (thien thanh)) - canh tranh cua dang ((cong dan) or (cong san)) gian lang~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (thien thanh)) - canh tranh cua dang ((cong dan) OR (cong san)) gian lang.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien nhanh) OR (thien thanh)) - canh tranh cua dang ((cong dan) or (cong san)) gian lang".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) OR (thien thanh)) - canh tranh cua dang ((cong dan) or (cong san)) gian lang*.