Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
canh manh » lanh manh, cach mang, van manh
dung cong » dung trong
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

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - ((canh manh) OR (canh tranh)) van dung cong dan than tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tinh - ((canh manh) OR (canh tranh)) van dung cong dan than tap".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - ((canh manh) OR (canh tranh)) van dung cong dan than tap*.