Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, pho thong
kham thong » khap thong, khau thong, pham thuong
khoa phap » khoa phau, khoan phai, khong phap
khoa kham » kho khan, khoa than
toc sach » hoc sach, doc sach, thuoc sach
sach tri » sach tai, sach tren, sach truc
anh khoa » doanh khoa, hang khoa
sanh tri » thanh tri, dinh tri, minh tri
tue anh » tu anh, tuyet anh, tuan anh
so sanh » do sanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( toc sach tri tue anh khoa phap thong ) or ( so sanh tri tue anh khoa kham thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( toc sach tri tue anh khoa phap thong ) OR ( so sanh tri tue anh khoa kham thong )).
• Adding a wildcard symbol may retrieve word variants: (( toc sach tri tue anh khoa phap thong ) or ( so sanh tri tue anh khoa kham thong ))*.