Perhaps you should try some spelling variations:
bach khuan » bach khoa, bach khang, bach xuan
phap thong » phap phong, phap chong, pho thong
khoa thong » hoa thong, thoai thong, pho thong
sach tien » sach tren, sach thieu
tien thuc » trien thuc, kien thuc, bien thuc
khoa phap » khoa phau, khoan phai, khong phap
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
sach thu » sach thue, sach thieu, sach tham
thu truc » thu tuc, tu truc, thi truc
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu 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 sach tien thuc anh khoa phap thong ) or ( su sach thu truc bach khuan khoa thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach tien thuc anh khoa phap thong ) OR ( su sach thu truc bach khuan khoa thong ))*.