Perhaps you should try some spelling variations:
nhanh nhung » nhanh hung, nhanh chuong, nhanh chong
hanh nhung » anh nhung, canh nhung, doanh nhung
cach hoc » cach thuc, cach thoi, dich hoc
nhan dan » phan dau, gian dan, nhan tai
tu cach » tu cac
cuoc xa » duoc xa, uoc xa, cuoc tao
va nhan » van nhan, ca nhan, va phan
mo hoc » mon hoc, co hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tap, nghien cuu mo hoc ((nhanh nhung) or (hanh nhung)) cuoc xa hoi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu mo hoc ((nhanh nhung) OR (hanh nhung)) cuoc xa hoi va nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu mo hoc ((nhanh nhung) or (hanh nhung)) cuoc xa hoi va nhan dan*.