Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
khoa hoc » hoa hoc
cac luan » cac luat, sach luan, cac dan
tu sach » thu sach, su sach, te sach
moi tap » moi tai
toi tap » toi gap, toan tap, tong tap
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi cac » hoc cac, voi cac, hoa cac
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 sach ((moi tap) OR (toi tap)), nghien cuu mon hoc nganh khoa hoc xa hoi cac luan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((moi tap) OR (toi tap)), nghien cuu mon hoc nganh khoa hoc xa hoi cac luan van".
• Adding a wildcard symbol may retrieve word variants: tu sach ((moi tap) OR (toi tap)), nghien cuu mon hoc nganh khoa hoc xa hoi cac luan van*.