Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
tham thuoc » pham thuoc, tham thuc, nha thuoc
sach tham » sach nha
sach khoa » bach khoa, sach nha, dac khoa
sinh khoa » sinh hoc, sinh hoat
pho thong » he thong
anh khoa » doanh khoa, hang khoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach tham thuoc ((((sach khoa) OR (sinh khoa))) or (anh khoa)) pho thong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach tham thuoc ((((sach khoa) OR (sinh khoa))) OR (anh khoa)) pho thong.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach tham thuoc ((((sach khoa) OR (sinh khoa))) or (anh khoa)) pho thong".
• Adding a wildcard symbol may retrieve word variants: thuat sach tham thuoc ((((sach khoa) OR (sinh khoa))) or (anh khoa)) pho thong*.