Perhaps you should try some spelling variations:
cong thuoc » cong thuc, long thuoc, cong thuong
dong thuoc » dung thuoc, dang thuoc, don thuoc
hoc nganh » hoc nhanh
sach hoi » sach doi, sach moi, cach thoi
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
nhan van » nhan dan, nhan va, phan van
te sach » toc sach
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: te sach hoi dap, nghien cuu dong hoc nganh ((cong thuoc) OR (dong thuoc)) xa hoi va nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoi dap, nghien cuu dong hoc nganh ((cong thuoc) OR (dong thuoc)) xa hoi va nhan van".
• Adding a wildcard symbol may retrieve word variants: te sach hoi dap, nghien cuu dong hoc nganh ((cong thuoc) OR (dong thuoc)) xa hoi va nhan van*.