Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
nganh khoa » nganh hoa, nganh khong, anh khoa
doanh khoa » toan khoa
sach hoi » sach doi, sach moi, cach thoi
nhan dan » phan dau, gian dan, nhan tai
hoi tap » hoi dap, hoc tap, hoi tai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
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: thuoc sach hoi tap, nghien cuu mon hoc ((nganh khoa) or (doanh khoa)) hoc xa hoi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach hoi tap, nghien cuu mon hoc ((nganh khoa) OR (doanh khoa)) hoc xa hoi va nhan dan.
• Adding a wildcard symbol may retrieve word variants: thuoc sach hoi tap, nghien cuu mon hoc ((nganh khoa) or (doanh khoa)) hoc xa hoi va nhan dan*.