Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » hanh chinh
doi chieu » doc hieu, doi chi, ho chieu
luat dung » suat dung, luat chung, thuat dung
dung cong » dung trong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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 - ((hanh trinh) OR (canh tranh)) luat dung cong san toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tinh - ((hanh trinh) OR (canh tranh)) luat dung cong san toan tap".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - ((hanh trinh) OR (canh tranh)) luat dung cong san toan tap*.