Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
nhung hoc » chung hoc, nhung goc, khung hoc
sach hoc » cach hoc, sach hoi, mach hoc
su sach » so sach, vu sach
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao
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: su sach hoc tap, nghien cuu mo hoc nganh ((khong hoc) or (nhung hoc)) xa hoi va nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach hoc tap, nghien cuu mo hoc nganh ((khong hoc) OR (nhung hoc)) xa hoi va nhan va.
• Adding a wildcard symbol may retrieve word variants: su sach hoc tap, nghien cuu mo hoc nganh ((khong hoc) or (nhung hoc)) xa hoi va nhan va*.