Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, pho thong
sach tham » sach nha
cach tham » cach thuc, cach pha, cach thoi
tham thuc » nham thuc, pham thuc, tam thuc
phu thong » pho thong, khau thong, phan thong
thu sach » tu sach, thuat sach, thuoc sach
tham tuc » thai tuc, nham thuc, pham thuc
hoc phap » hoc phan, hoc phat, hoc pho
khoa phu » khoa phau, khoa thu, hoa phu
tuc anh » tuc hanh, duc anh, tu anh
anh hoc » sinh hoc, benh hoc, hinh hoc
tu cach » tu cac
thuc da » thuc dan, thuc day, thuc dia

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu sach tham tuc anh hoc phap thong ) or ( tu cach tham thuc da khoa phu thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu sach tham tuc anh hoc phap thong ) OR ( tu cach tham thuc da khoa phu thong )).
• Adding a wildcard symbol may retrieve word variants: (( thu sach tham tuc anh hoc phap thong ) or ( tu cach tham thuc da khoa phu thong ))*.