Perhaps you should try some spelling variations:
nhanh chuong » nhanh chong, thanh chuong, thanh huong
hoc nhanh » hoc nganh, hoc phan
sach hoc » cach hoc, sach hoi, mach hoc
so sach » so sanh, bo sach, co sach
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao
mo hoc » mon hoc, co hoc
goc xa » hoc xa, uoc xa
goc va » hoc va, loc va, doc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach hoc tap, nghien cuu mo hoc nhanh chuong ((goc xa) OR (goc va)) hoi va nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach hoc tap, nghien cuu mo hoc nhanh chuong ((goc xa) OR (goc va)) hoi va nhan va".
• Adding a wildcard symbol may retrieve word variants: so sach hoc tap, nghien cuu mo hoc nhanh chuong ((goc xa) OR (goc va)) hoi va nhan va*.