Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
sach hoc » cach hoc, sach hoi, mach hoc
nhan van » nhan dan, nhan va, phan van
so sach » so sanh, bo sach, co sach
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hoc lai » hoc bai, hoc lam, hoc tai
hoc dai » hoc dan
va nhan » van nhan, ca nhan, va phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach hoc tap, nghien cuu mot hoc nganh khoa ((hoc lai) OR (hoc dai)) hoi va nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach hoc tap, nghien cuu mot hoc nganh khoa ((hoc lai) OR (hoc dai)) hoi va nhan van".
• Adding a wildcard symbol may retrieve word variants: so sach hoc tap, nghien cuu mot hoc nganh khoa ((hoc lai) OR (hoc dai)) hoi va nhan van*.