Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
hien tinh » khien tinh, thien tinh, dien tinh
bien tinh » bi tinh, yen tinh, diep tinh
hanh dung » thanh dung, anh dung, hanh dong
cua nhung » va nhung
dung cua » dung luan, dung cho
cac toan » hach toan, cac thanh, cac doanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien tinh) or (bien tinh)) - hanh dung cua nhung tuong ((cac toan) or (cac khoan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien tinh) OR (bien tinh)) - hanh dung cua nhung tuong ((cac toan) OR (cac khoan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien tinh) or (bien tinh)) - hanh dung cua nhung tuong ((cac toan) or (cac khoan)) cau*.