Perhaps you should try some spelling variations:
phap phuong » phap phong, phap chong, pho phuong
trung cach » trong cach, trung cap, trong cac
pham thong » pham thuong, pham hong, pham trong
thai thuc » thai thuy, thai tuc, tham thuc
hanh khoa » hang khoa, anh khoa, hanh hoa
khoa phap » khoa phau, khoan phai, khong phap
sach tai » sach bai, sach tham, sach dao
cach che » cac che, sach che, cac he
thu toc » thu tuc, thi toc, thu hoc
so sach » so sanh, bo sach, co sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu toc thai thuc hanh khoa phap phuong ) or ( so sach tai trung cach che pham thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu toc thai thuc hanh khoa phap phuong ) OR ( so sach tai trung cach che pham thong )).
• Adding a wildcard symbol may retrieve word variants: (( thu toc thai thuc hanh khoa phap phuong ) or ( so sach tai trung cach che pham thong ))*.