Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
sach moi » sach doi, sach hoi, bach mai
khoa hoc » hoa hoc
cua luan » cua luat, cua quan, quan luan
tu sach » thu sach, su sach, te sach
moi tai » hoi tai, mo tai, moi thoi
mon hoc » toan hoc, dong hoc
hoi cua » hoi chuc
mo 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 moi tai, nghien cuu ((mo hoc) OR (mon hoc)) nganh khoa hoc xa hoi cua luan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach moi tai, nghien cuu ((mo hoc) OR (mon hoc)) nganh khoa hoc xa hoi cua luan van".
• Adding a wildcard symbol may retrieve word variants: tu sach moi tai, nghien cuu ((mo hoc) OR (mon hoc)) nganh khoa hoc xa hoi cua luan van*.