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
tu sach » thu sach, su sach, te sach
nhan va » nhan tai, nhan dan, nhan tao
mo hoc » mon hoc, co hoc
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

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 ca nhan va~.
• 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 ca nhan va.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (toc sach)) hoc tap, nghien cuu mo hoc nhanh khoa hoc xa hoi ca nhan va*.