Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
cong thanh » dong thanh, cong trinh, truong thanh
chua nang » chuc nang, chua xang, kha nang
chu manh » ho manh, chu han, chu van
trang va » tran van, hang va
va thong » va thuong, va phuong, he thong
cong tan » cong tac, cong san, cong ty
toan cau » toan cao, toan ban, toan tap

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

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