Perhaps you should try some spelling variations:
bien tinh » bi tinh, yen tinh, diep tinh
canh manh » lanh manh, canh tranh, cach mang
chua bang » chua nang, chua xang, thuat bang
hoc bien » hoc hien, hoc vien, hoa bien
chu bang » thu bang, chuc nang, chu quang
cong dan » cong san, cong tan, cong dong
than man » than ma, thanh san, tran manh

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 - canh manh ((chua bang) OR (chu bang)) ((cong dan) or (huong dan)) than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc bien tinh - canh manh ((chua bang) OR (chu bang)) ((cong dan) OR (huong dan)) than man.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc bien tinh - canh manh ((chua bang) OR (chu bang)) ((cong dan) or (huong dan)) than man".
• Adding a wildcard symbol may retrieve word variants: hoc bien tinh - canh manh ((chua bang) OR (chu bang)) ((cong dan) or (huong dan)) than man*.