Perhaps you should try some spelling variations:
thuoc dung » hoc dung, thuy dung
tham thuc » nham thuc, pham thuc, tam thuc
thuc dung » thuy dung, tuc dung, thuat dung
dung khoa » dung cho
phu thong » pho thong, phap thong, khau thong
nha thuoc » nha nuoc, nhan thuc, nha hoc
hoc thong » hoc thuong, hoc trong, hoc hong
khoa phu » khoa phau, khoa thu, hoa phu
khoa hoc » hoa hoc
so sach » so sanh, bo sach, co sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( so sach tham thuc dung khoa phu thong ) or ( so sach nha thuoc dung khoa hoc thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sach tham thuc dung khoa phu thong ) OR ( so sach nha thuoc dung khoa hoc thong )).
• Adding a wildcard symbol may retrieve word variants: (( so sach tham thuc dung khoa phu thong ) or ( so sach nha thuoc dung khoa hoc thong ))*.