Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chua nang » chua xang, kha nang, cuu nang
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van 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 ((chuc nang) or (chua nang)) - ((hanh tang) or (hanh mang)) cua nhung cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc nang) OR (chua nang)) - ((hanh tang) OR (hanh mang)) cua nhung cong san toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chuc nang) or (chua nang)) - ((hanh tang) or (hanh mang)) cua nhung cong san toan ban*.