Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
sach hoc » sach hoi, mach hoc, sach duoc
cach hoc » cach thuc, cach thoi, dich hoc
khoa hoc » hoa hoc
cua phan » cua nhan, cua phap, cua han
phan dau » phan tu, hang dau
hoi cua » hoi chuc
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 hoc) OR (cach hoc)) tap, nghien cuu mo hoc nganh khoa hoc xa hoi cua phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach hoc) OR (cach hoc)) tap, nghien cuu mo hoc nganh khoa hoc xa hoi cua phan dau".
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoc) OR (cach hoc)) tap, nghien cuu mo hoc nganh khoa hoc xa hoi cua phan dau*.