Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh tin » trinh tin, trang tin, thanh tinh
chi tinh » chai tinh, chi minh, chi binh
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan ban » van ban
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 tinh - hanh tranh tin dung ((cong dan) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi tinh - hanh tranh tin dung ((cong dan) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chi tinh - hanh tranh tin dung ((cong dan) or (cong san)) toan ban*.