Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
bien tinh » bi tinh, yen tinh, diep tinh
cua dung » cua dang, cua dong, qua dung
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
tran cau » tran chau, toan cau, ran cau
ho bien » pho bien, hoa bien, so bien

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

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