Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, phap tieng
hanh khoa » hang khoa, anh khoa, hanh hoa
khoa phap » khoa phau, khoan phai, khong phap
bai thuoc » ban thuoc, bai hoc, cay thuoc
thuoc tan » thuoc tai, thuoc ban, thuoc tren
pho thong » he thong
thu hanh » thuc hanh, thu thanh, thuy hanh
sach bai » sach dao, cac bai, sach xa
tan khoa » toan khoa, tran khoa, san khoa
khoa pho » khoa phu, khoa khoa, khoa phau
tu sach » thu sach, su sach, te sach
sach va » sach xa, sach ha, sach dao
vu sach » vu bach, su sach, vu khach
va thu » va thuc, van thu, va tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu sach va thu hanh khoa phap thong ) or ( vu sach bai thuoc tan khoa pho thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach va thu hanh khoa phap thong ) OR ( vu sach bai thuoc tan khoa pho thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach va thu hanh khoa phap thong ) or ( vu sach bai thuoc tan khoa pho thong ))*.