Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
duong manh » duong van
theo chuc » theo chu, tho chu, treo chu
va phuong » va thuong, cac phuong
manh toan » thanh toan, anh tuan, tinh toan
va thong » va thuong, he thong, va cong
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 chuc nang - hanh trang ((va thong) or (va phuong)) duong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chuc nang - hanh trang ((va thong) OR (va phuong)) duong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chuc nang - hanh trang ((va thong) or (va phuong)) duong manh toan cau*.