Perhaps you should try some spelling variations:
nhanh khong » nhanh chong, nganh khong, nhan khong
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoc nhanh » hoc nganh, hoc phan
khong hoc » khung hoc, thong hoc, khong thuoc
cach hoc » cach thuc, cach thoi, dich hoc
tu cach » tu cac
hoc tai » hoc dai, hoc tap, hoc bai
mot hoc » mon hoc, mo hoc, mot goc
hoc lam » duoc lam
hoi van » hoi va, hai van, hoi han
hoi dan » hoa dan, hoc dan, hoi dap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tai, nghien cua mot hoc nhanh khong hoc lam ((hoi van) OR (hoi dan)) pham van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach hoc tai, nghien cua mot hoc nhanh khong hoc lam ((hoi van) OR (hoi dan)) pham van".
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tai, nghien cua mot hoc nhanh khong hoc lam ((hoi van) OR (hoi dan)) pham van*.