Perhaps you should try some spelling variations:
thuoc nhanh » thuoc nhan, thuoc thanh, thuc hanh
long thuoc » luong thuoc, dong thuoc, khong thuoc
sach thoi » cach thoi, sach hoi, sach tham
nhanh hoa » nhanh hoan, thanh hoa, khanh hoa
ban thanh » ban hanh, ban hang
thoi tap » toi tap, hoc tap, thoi dai
cuu long » cuu cong, cuu tong, cuu nang
khoa ban » khoa bai, khoa can, khoe ban
te sach » toc sach

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 thoi tap, nghien cuu long thuoc nhanh hoa ((hoc xa) OR (hoc ma)) khoa ban thanh san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thoi tap, nghien cuu long thuoc nhanh hoa ((hoc xa) OR (hoc ma)) khoa ban thanh san".
• Adding a wildcard symbol may retrieve word variants: te sach thoi tap, nghien cuu long thuoc nhanh hoa ((hoc xa) OR (hoc ma)) khoa ban thanh san*.