Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
nhanh thong » nhanh thang, nhan thong, nhanh hong
nghien huu » nghien cuu, nguyen huu, nhiem huu
cach hoc » cach thuc, cach thoi, dich hoc
nhan tai » hang tai, van tai, toan tai
te cach » ve cach, te sach, tu cach
va nhan » van nhan, ca nhan, va phan
huu mo » huu mot, huu co, huu ho
mo hoc » mon hoc, co hoc
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: te cach hoc tap, nghien huu mo hoc ((nhanh thong) or (nhanh chong)) hoc xa hoi va nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cach hoc tap, nghien huu mo hoc ((nhanh thong) OR (nhanh chong)) hoc xa hoi va nhan tai.
• Adding a wildcard symbol may retrieve word variants: te cach hoc tap, nghien huu mo hoc ((nhanh thong) or (nhanh chong)) hoc xa hoi va nhan tai*.