Perhaps you should try some spelling variations:
phap chong » phap phong, phap cong, pham hong
thuc hang » thuc hanh, thu hang, phuc hang
hang khoa » dung khoa
hoc thong » hoc thuong, hoc trong, hoc hong
sach nham » sach tham, sach han, sach ha
nham thuc » nhan thuc, nam thuc, nham thu
khoa phap » khoa phau, khoan phai, khong phap
nha thuc » nhan thuc, nha thuoc, ha thuc
khoa hoc » hoa hoc
thu sach » thuat sach, thuoc sach, thu hoach
thuc dan » thuc hanh, hoc dan, thuc vat
dan khoa » dang khoa, da khoa, san khoa
tu sach » su sach, te sach, tu cach

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 nha thuc hang khoa hoc thong ) or ( thu sach nham thuc dan khoa phap chong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach nha thuc hang khoa hoc thong ) OR ( thu sach nham thuc dan khoa phap chong ))*.