Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, phap tieng
pho thong » he thong
cach thuc » anh thuc, cac thu
khoa phap » khoa phau, khoan phai, khong phap
thuc thu » thuc thuc, thue thu, thuc thi
anh khoa » doanh khoa, hang khoa
khoa pho » khoa phu, khoa khoa, khoa phau
sach ban » sach bai, sach han, sach bac
thi bach » thi bich, thi hanh, thi anh
va cach » va cac
thu anh » thuy anh, thu canh, thu oanh
su sach » so sach, vu sach
ban thi » dan thi, van thi, can thi

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( va cach thuc thu anh khoa pho thong ) or ( su sach ban thi bach khoa phap thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( va cach thuc thu anh khoa pho thong ) OR ( su sach ban thi bach khoa phap thong ))*.