Perhaps you should try some spelling variations:
nhanh khoa » nhan khoa, nganh khoa, hang khoa
hoc nhanh » hoc nganh, hoc phan
toc sach » hoc sach, doc sach, thuoc sach
khoa hoc » hoa hoc
cua nhan » ca nhan, cua ngan, cua nha
nhan dan » phan dau, gian dan, nhan tai
tu sach » thu sach, su sach, te sach
hoi cua » hoi chuc
mo hoc » mon hoc, co hoc
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 sach) or (toc sach)) hoc tap, nghien cuu mo hoc nhanh khoa hoc xa hoi cua nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (toc sach)) hoc tap, nghien cuu mo hoc nhanh khoa hoc xa hoi cua nhan dan.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (toc sach)) hoc tap, nghien cuu mo hoc nhanh khoa hoc xa hoi cua nhan dan*.