Perhaps you should try some spelling variations:
nghien huu » nghien cuu, nguyen huu, nhiem huu
hoc khanh » hoc thanh, hoc hanh, hoa khanh
hoc nhanh » hoc nganh, hoc phan
phong hoc » phong ho, thong hoc, phuong hoa
mach hoc » cach hoc, dich hoc, anh hoc
nhan van » nhan dan, nhan va, phan van
tu mach » tu cach, tu manh, tu hach
huu mot » cuu mot, huy mot, hieu mot
va nhan » van nhan, ca nhan, va phan
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: tu mach hoc tap, nghien huu mot ((hoc khanh) OR (hoc nhanh)) phong hoc xa hoi va nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu mach hoc tap, nghien huu mot ((hoc khanh) OR (hoc nhanh)) phong hoc xa hoi va nhan van".
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien huu mot ((hoc khanh) OR (hoc nhanh)) phong hoc xa hoi va nhan van*.