Perhaps you should try some spelling variations:
nhanh nhung » hanh nhung, nhanh hung, nhanh chuong
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
uoc xa » duoc xa, hoc xa
uoc va » nuoc va, duoc va, quoc 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 nhung ((uoc xa) OR (uoc 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 nhung ((uoc xa) OR (uoc va)) hoi va nhan va".
• Adding a wildcard symbol may retrieve word variants: so sach hoc tap, nghien cuu mo hoc nhanh nhung ((uoc xa) OR (uoc va)) hoi va nhan va*.