Perhaps you should try some spelling variations:
tham thuoc » pham thuoc, tham thuc, nha thuoc
sach tham » sach nha
thuoc anh » thuoc thanh, thuoc dang, thuoc sach
pho thong » he thong
khoan pho » khoan nhoi, khoan phai, khoan hoi
anh khoa » doanh khoa, hang khoa
khoa pho » khoa phu, khoa khoa, khoa phau
thuc cac » thuc cach, tuc cac, phuc cac
te sach » toc sach
sach do » sach dao, sach doi, sach de
do thuc » hoc thuc, dan thuc

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 anh khoa pho thong ) or ( te sach do thuc cac khoan pho thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te sach tham thuoc anh khoa pho thong ) OR ( te sach do thuc cac khoan pho thong )).
• Adding a wildcard symbol may retrieve word variants: (( te sach tham thuoc anh khoa pho thong ) or ( te sach do thuc cac khoan pho thong ))*.