Perhaps you should try some spelling variations:
hien thanh » thien thanh, hien hanh, tien thanh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua dung » cua dang, cua dong, qua dung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
toan ban » van 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 hien thanh - hanh tranh cua dung ((cong dan) or (cong san)) ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien thanh - hanh tranh cua dung ((cong dan) OR (cong san)) ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien thanh - hanh tranh cua dung ((cong dan) or (cong san)) ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc hien thanh - hanh tranh cua dung ((cong dan) or (cong san)) ((toan cau) OR (toan ban))*.