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
thuoc xa » thuoc ma, thuoc va, thuoc la
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
nhan va » nhan tai, nhan dan, nhan tao
mo hoc » mon hoc, co hoc
hoi ca » hoi cua, hoi cac, hoi cau

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