Perhaps you should try some spelling variations:
hoc nhanh » hoc phan
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
cuu dong » cuu cong, cuu tong, cuu long
khoa hoc » hoa hoc
nhan dan » phan dau, gian dan, nhan tai
va nhan » van nhan, ca nhan, va phan
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: thu sach hoc tap, nghien cuu dong ((hoc nganh) or (hoc nhanh)) khoa hoc xa hoi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach hoc tap, nghien cuu dong ((hoc nganh) OR (hoc nhanh)) khoa hoc xa hoi va nhan dan.
• Adding a wildcard symbol may retrieve word variants: thu sach hoc tap, nghien cuu dong ((hoc nganh) or (hoc nhanh)) khoa hoc xa hoi va nhan dan*.