Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
cong thuoc » cong thuc, dong thuoc, long thuoc
hoc nganh » hoc nhanh
sach hoc » cach hoc, sach hoi, mach hoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
thuoc xa » thuoc ma, thuoc va, thuoc la
nhan van » nhan dan, phan van, nha van
te sach » toc sach
nhan va » nhan tai, nhan dan, nhan tao

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

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