Perhaps you should try some spelling variations:
phat thuat » phau thuat, phat xuat
phan thong » phan thuong, phan hong, phan tong
khan thong » khap thong, khau thong, nhan thong
tri thuoc » tri thuc, tri hoc, tin thuoc
thuoc anh » thuoc thanh, thuoc dang, thuoc sach
khoa phan » hoa phan, khoa than, khoa phau
sach phat » sach nha, sach tham, cach pha
thu sach » tu sach, thuat sach, thuoc sach
sach tri » sach tai, sach tren, sach truc
anh khoa » doanh khoa, hang khoa
thuat da » thuat dam, thuat dan, thuat dao
kho khan » khoa kham, khoa than
da kho » da khoa, dai kho, dac khoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu sach tri thuoc anh khoa phan thong ) or ( thu sach phat thuat da kho khan thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu sach tri thuoc anh khoa phan thong ) OR ( thu sach phat thuat da kho khan thong )).
• Adding a wildcard symbol may retrieve word variants: (( thu sach tri thuoc anh khoa phan thong ) or ( thu sach phat thuat da kho khan thong ))*.