Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
cuu trong » cuu tong, chu trong, luu trong
trong hoc » truong hoc, tuong hoc, thong hoc
hoc nganh » hoc nhanh
khoa hoc » hoa hoc
so sach » so sanh, co sach, hoc sach
bo sach » co sach, hoc sach
nha dan » nhan dan, nhac dan, nha van
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: ((so sach) OR (bo sach)) hoc tap, nghien cuu trong hoc nganh khoa hoc xa hoi dap nha dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (bo sach)) hoc tap, nghien cuu trong hoc nganh khoa hoc xa hoi dap nha dan".
• Adding a wildcard symbol may retrieve word variants: ((so sach) OR (bo sach)) hoc tap, nghien cuu trong hoc nganh khoa hoc xa hoi dap nha dan*.