Perhaps you should try some spelling variations:
cong thuoc » cong thuc, dong thuoc, long thuoc
hoc nhanh » hoc phan
sach hoc » cach hoc, sach hoi, mach hoc
cuu dong » cuu cong, cuu tong, cuu long
thuoc xa » thuoc ma, thuoc va, thuoc la
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 hoc tap, nghien cuu dong ((hoc nganh) OR (hoc nhanh)) cong thuoc xa hoi va nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoc tap, nghien cuu dong ((hoc nganh) OR (hoc nhanh)) cong thuoc xa hoi va nhan van".
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cuu dong ((hoc nganh) OR (hoc nhanh)) cong thuoc xa hoi va nhan van*.