Perhaps you should try some spelling variations:
bien tinh » bi tinh, yen tinh, diep tinh
manh hung » anh huong
cua nhung » va nhung
hoc bien » hoc hien, hoc vien, hoa bien
hung cua » huong cua, chung cua, khung cua
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc bien tinh - manh hung cua nhung ((cong dan) OR (cong tan)) ((toan cao) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc bien tinh - manh hung cua nhung ((cong dan) OR (cong tan)) ((toan cao) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc bien tinh - manh hung cua nhung ((cong dan) OR (cong tan)) ((toan cao) or (van ban))".
• Adding a wildcard symbol may retrieve word variants: hoc bien tinh - manh hung cua nhung ((cong dan) OR (cong tan)) ((toan cao) or (van ban))*.