Perhaps you should try some spelling variations:
khong thuoc » khang thuoc, hong phuoc, dong thuoc
nghien huy » nghien cuu, nguyen huy, nghiep quy
hoc nhanh » hoc nganh
thuoc lai » thuoc tai, thuoc la, thuoc sai
cach hoc » cach thuc, cach thoi, dich hoc
huy toan » huy tran, huu toan, huy hoang
hoc phan » hoc dan, hoc pho
cao nhan » ca nhan, tao nhan, cam nhan
nhan van » nhan dan, nhan va, phan van
tu cach » tu cac
lai hoc » loai hoc, dai hoc, li hoc

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 tap, nghien huy toan ((hoc nhanh) or (hoc phan)) khong thuoc lai hoc cao nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien huy toan ((hoc nhanh) OR (hoc phan)) khong thuoc lai hoc cao nhan van.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien huy toan ((hoc nhanh) or (hoc phan)) khong thuoc lai hoc cao nhan van*.