Perhaps you should try some spelling variations:
nhanh thong » nhanh chong, nhanh thang, nhan thong
nghien huu » nghien cuu, nguyen huu, nhiem huu
hoc nhanh » hoc nganh, hoc phan
phan vang » phan dang, phan cang, phan nang
mach hoc » cach hoc, dich hoc, anh hoc
thong he » thong ke, khong he, thong ha
phan van » pham van, thanh van, luan van
tu mach » tu cach, tu manh, tu hach
huu mot » cuu mot, huy mot, hieu mot
mot hoc » mon hoc, mo hoc, mot goc
he xa » te xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu mach hoc tap, nghien huu mot hoc nhanh thong he xa hoi va ((phan van) or (phan vang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu mach hoc tap, nghien huu mot hoc nhanh thong he xa hoi va ((phan van) OR (phan vang)).
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien huu mot hoc nhanh thong he xa hoi va ((phan van) or (phan vang))*.