Perhaps you should try some spelling variations:
bien tinh » bi tinh, yen tinh, diep tinh
canh manh » lanh manh, canh tranh, cach mang
manh chua » manh cua, tranh chua, benh chua
chua bang » chu bang, chua nang, chua xang
hoc bien » hoc hien, hoc vien, hoa bien
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 ((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 ((cong dan) OR (huong dan)) than man.
• Adding a wildcard symbol may retrieve word variants: hoc bien tinh - canh manh chua bang ((cong dan) or (huong dan)) than man*.