Perhaps you should try some spelling variations:
nhanh dung » nhanh dong, hanh dung, nhanh hung
nhung cong » dung cong, thong cong, hang cong
theo bien » thieu bien, theo tieu, che bien
bien tinh » bi tinh, yen tinh, diep tinh
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
dung cua » dung luan, dung cho
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo bien tinh - nhanh dung cua nhung cong ((manh toan) or (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo bien tinh - nhanh dung cua nhung cong ((manh toan) OR (ban than)) cau*.