Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
nganh khong » nganh cong, nganh nong, nganh khoa
nghien cua » nghien cuu, nghiep cua, nghiep vua
sach hoc » cach hoc, sach hoi, mach hoc
phan dan » phan dang, phan dau, nhan dan
tu sach » thu sach, su sach, te sach
mot hoc » mon hoc, mo hoc, mot goc
va phan » van phan, va phat, va phap
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 hoc tap, nghien cua mot hoc ((nganh khong) or (nhanh chong)) hoc xa hoi va phan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoc tap, nghien cua mot hoc ((nganh khong) OR (nhanh chong)) hoc xa hoi va phan dan.
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cua mot hoc ((nganh khong) or (nhanh chong)) hoc xa hoi va phan dan*.