Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, pho thong
ban thanh » ban hanh, ban hang
thanh anh » thanh binh, thanh san, hinh anh
dot trong » ro trong
sach nham » sach nha, sach tham, sach han
nham thuc » nhan thuc, nam thuc, nham thu
khoa phap » khoa phau, khoan phai, khong phap
anh khoa » doanh khoa, hang khoa
khoa dot » khoa doi, khoa duoc, khoan mot
thuc dan » thuc hanh, hoc dan, thuc vat
dan khoa » dang khoa, da khoa, san khoa
cac ban » cac dan, cac van, can ban
tu sach » thu sach, su sach, te sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu cac ban thanh anh khoa dot trong ) or ( tu sach nham thuc dan khoa phap thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cac ban thanh anh khoa dot trong ) OR ( tu sach nham thuc dan khoa phap thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu cac ban thanh anh khoa dot trong ) or ( tu sach nham thuc dan khoa phap thong ))*.