Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, pho thong
khoa phap » khoa phau, khoan phai, khong phap
khach tri » khach trai, khac trai, khanh tra
sanh tai » sang tai, hanh tai, anh tai
tai thuc » thai thuc, tri thuc, dai thuc
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
tai bach » thi bach, trac bach, tai benh
so sanh » do sanh
tri tai » trinh tai
khoa he » hoa he, khoa hoc, khong he

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

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