Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
khong thuoc » khang thuoc, hong phuoc, dong thuoc
hoc nganh » hoc nhanh
sach hoc » cach hoc, sach hoi, mach hoc
dich hoc » sinh hoc, hinh hoc, tinh hoc
thuoc xa » thuoc ma, thuoc va, thuoc la
cua nhan » ca nhan, cua ngan, cua nha
nhan van » nhan dan, nhan va, phan van
hoi cua » hoi chuc
mo hoc » mon hoc, co hoc

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hoc) OR (dich hoc)) tap, nghien cuu mo hoc nganh khong thuoc xa hoi cua nhan van~.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoc) or (dich hoc)) tap, nghien cuu mo hoc nganh khong thuoc xa hoi cua nhan van*.