Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
khong thuoc » khang thuoc, hong phuoc, dong thuoc
cach hoc » cach thuc, cach thoi, dich hoc
cong hoc » dong hoc, cong coc, cong ho
cong hoa » dong hoa, dong hoc, hang hoa
thuoc xa » thuoc ma, thuoc va, thuoc la
nhan dan » phan dau, gian dan, nhan tai
su cach » su sach, tu cach, su cac
va nhan » van nhan, ca nhan, va phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cach hoc tap, nghien cuu ((cong hoc) OR (cong hoa)) nganh khong thuoc xa hoi va nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cach hoc tap, nghien cuu ((cong hoc) OR (cong hoa)) nganh khong thuoc xa hoi va nhan dan".
• Adding a wildcard symbol may retrieve word variants: su cach hoc tap, nghien cuu ((cong hoc) OR (cong hoa)) nganh khong thuoc xa hoi va nhan dan*.