Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
danh nhan » doanh nhan, thanh nhan, benh nhan
sach hoi » sach moi, cach thoi, hoach hoi
sach doi » sach moi, sach dao, sach bai
khoa hoc » hoa hoc
hoi danh » hop danh, hoi dan, hoc danh
nhan van » nhan dan, nhan va, phan van
mo hoc » mon hoc, co hoc
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 hoi) OR (sach doi)) tap, nghien cuu mo hoc nganh khoa hoc xa hoi danh nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach hoi) OR (sach doi)) tap, nghien cuu mo hoc nganh khoa hoc xa hoi danh nhan van".
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoi) OR (sach doi)) tap, nghien cuu mo hoc nganh khoa hoc xa hoi danh nhan van*.