Perhaps you should try some spelling variations:
canh manh » lanh manh, cach mang, van manh
dung cong » dung trong
chi tinh » chai tinh, chi minh, chi binh
van dung » van dong, xay dung, tin dung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap
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 - ((canh manh) or (canh tranh)) van dung cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi tinh - ((canh manh) OR (canh tranh)) van dung cong dan than tap.
• Adding a wildcard symbol may retrieve word variants: doi chi tinh - ((canh manh) or (canh tranh)) van dung cong dan than tap*.