Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
cong thanh » dong thanh, cong trinh, truong thanh
bien tinh » yen tinh, diep tinh, ban tinh
trang va » tran van, hang va
cong tan » cong tac, cong san, cong ty
toan cao » toan ban, toan tap
bi tinh » vi tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((bien tinh) OR (bi tinh)) - hanh trang va thuong ((cong tan) or (cong thanh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((bien tinh) OR (bi tinh)) - hanh trang va thuong ((cong tan) OR (cong thanh)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((bien tinh) OR (bi tinh)) - hanh trang va thuong ((cong tan) or (cong thanh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((bien tinh) OR (bi tinh)) - hanh trang va thuong ((cong tan) or (cong thanh)) toan cao*.