Perhaps you should try some spelling variations:
thieu nien » thien nhien
nhanh dung » nhanh dong, hanh dung, nhanh hung
nhung cong » dung cong, thong cong, hang cong
nien tinh » bien tinh, dien tinh, tien tinh
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
ban thanh » ban hanh, ban hang
dung cua » dung luan, dung cho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thieu nien tinh - nhanh dung cua nhung cong ((manh toan) OR (ban thanh)) cau~.
• Adding a wildcard symbol may retrieve word variants: thieu nien tinh - nhanh dung cua nhung cong ((manh toan) or (ban thanh)) cau*.