Perhaps you should try some spelling variations:
hanh mang » nhanh mang, hanh trang, nhanh lang
chi lang » thi lan, chi van, hoi lang
va trong » va truong, va thong, va tuong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi lang - ((hanh mang) or (canh tranh)) va trong cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi lang - ((hanh mang) OR (canh tranh)) va trong cong dan than ban.
• Adding a wildcard symbol may retrieve word variants: doi chi lang - ((hanh mang) or (canh tranh)) va trong cong dan than ban*.