Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
cach hoc » cach thuc, cach thoi, dich hoc
hoc bang » hoc tang, hoc dan, hoc bai
hoc bong » hoc cong, hoc trong, hoc luong
khoa hoc » hoa hoc
tu cach » tu cac
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao
cua co » cua bo, cua cong
hoc xa » hoc ma

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 cua co ((hoc bang) or (hoc bong)) khoa hoc xa hoi va nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cua co ((hoc bang) OR (hoc bong)) khoa hoc xa hoi va nhan va.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cua co ((hoc bang) or (hoc bong)) khoa hoc xa hoi va nhan va*.