Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh manh » hanh mang, lanh manh, hoang manh
cua nhung » va nhung
theo kha » theo phap, thao khoa, theo chu
kha nang » phap nang, ky nang, ki nang
manh cua » doanh cua, ban cua
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo kha nang - hanh manh cua nhung cong ((dan toan) or (van toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo kha nang - hanh manh cua nhung cong ((dan toan) OR (van toan)) cau*.