Perhaps you should try some spelling variations:
duong manh » duong van
chua xang » chua nang, chuc nang, chu bang
chuc danh » chuc nganh, thuc hanh, chuc nang
manh toan » thanh toan, anh tuan, tinh toan
chu xanh » chu manh, chieu xanh, chu thanh
tranh va » tranh van, trang va, trinh va
va tuong » va thuong, va thong, xa truong
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: theo ((((chu xanh) or (chuc danh))) or (chua xang)) - canh tranh va tuong duong manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chu xanh) OR (chuc danh))) OR (chua xang)) - canh tranh va tuong duong manh toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((((chu xanh) or (chuc danh))) or (chua xang)) - canh tranh va tuong duong manh toan tap*.