Perhaps you should try some spelling variations:
tham thuoc » pham thuoc, tham thuc, nha thuoc
thuoc sach » hoc sach, nuoc sach, thuat sach
phap thong » phap phong, phap chong, pho thong
sach tham » sach nha
phan tong » phan trong, phan cong, han tong
thuc bach » truc bach, thuc cach, thuc hanh
bach khoa » anh khoa
khoa phap » khoa phau, khoan phai, khong phap
sach hoa » sach ha, sach hoi, bach hoa
hoa phan » hoa dan, co phan
cach tam » cach lam, cach ta, canh tam
tam thuc » tham thuc, am thuc, nam thuc
te sach » toc sach
tu cach » tu cac

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 tham thuoc sach hoa phan tong ) or ( tu cach tam thuc bach khoa phap thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te sach tham thuoc sach hoa phan tong ) OR ( tu cach tam thuc bach khoa phap thong )).
• Adding a wildcard symbol may retrieve word variants: (( te sach tham thuoc sach hoa phan tong ) or ( tu cach tam thuc bach khoa phap thong ))*.