Perhaps you should try some spelling variations:
nghiem thuc » nghiem thuoc, nghiep thuc, nhiem thuc
nhanh khong » nhanh chong, nganh khong, nhan khong
thuc cong » thuoc cong, thu cong, chuc cong
hoc nhanh » hoc nganh, hoc phan
khong hoc » khung hoc, thong hoc, khong thuoc
sach hoc » cach hoc, sach hoi, mach hoc
cong hoc » dong hoc, cong hoa, cong coc
nhan dan » phan dau, nhan tai
gian dan » gian lang
so sach » so sanh, bo sach, co sach
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: so sach hoc tap, nghiem thuc cong hoc nhanh khong hoc xa hoi ca ((nhan dan) or (gian dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach hoc tap, nghiem thuc cong hoc nhanh khong hoc xa hoi ca ((nhan dan) OR (gian dan)).
• Adding a wildcard symbol may retrieve word variants: so sach hoc tap, nghiem thuc cong hoc nhanh khong hoc xa hoi ca ((nhan dan) or (gian dan))*.