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
khoa hoc » hoa hoc
gian dan » gian lang
anh hoc » sinh hoc, benh hoc, hinh hoc
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va gian » va gianh, van gian, va giai
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 hoc) or (anh hoc)) tap, nghien cuu mon hoc nganh khoa hoc xa hoi va gian dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hoc) OR (anh hoc)) tap, nghien cuu mon hoc nganh khoa hoc xa hoi va gian dan.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoc) or (anh hoc)) tap, nghien cuu mon hoc nganh khoa hoc xa hoi va gian dan*.