Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
sach dao » lanh dao
cong hoc » dong hoc, cong hoa, cong coc
khoa hoc » hoa hoc
nhan van » nhan dan, nhan va, phan van
anh hoc » sinh hoc, benh hoc, hinh 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: tu ((anh hoc) or (sach dao)) tap, nghien thu cong hoc nganh khoa hoc xa hoi va nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((anh hoc) OR (sach dao)) tap, nghien thu cong hoc nganh khoa hoc xa hoi va nhan van.
• Adding a wildcard symbol may retrieve word variants: tu ((anh hoc) or (sach dao)) tap, nghien thu cong hoc nganh khoa hoc xa hoi va nhan van*.