Perhaps you should try some spelling variations:
phap thuoc » phap thuc, pham thuoc, phap truoc
thuoc sach » hoc sach, nuoc sach, thuat sach
phan thong » phan thuong, phan hong, phan tong
sach phap » sach phat, sach nha, sach tham
sach nham » sach nha, sach tham, sach han
nham thuc » nhan thuc, nam thuc, nham thu
thuc hang » thuc hanh, thu hang, phuc hang
hang khoa » dung khoa
phu thong » pho thong, phap thong, khau thong
sach hoa » sach ha, sach hoi, bach hoa
hoa phan » hoa dan, co phan
khoa phu » khoa phau, khoa thu, hoa phu
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: (( so sach phap thuoc sach hoa phan thong ) or ( so sach nham thuc hang khoa phu thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sach phap thuoc sach hoa phan thong ) OR ( so sach nham thuc hang khoa phu thong )).
• Adding a wildcard symbol may retrieve word variants: (( so sach phap thuoc sach hoa phan thong ) or ( so sach nham thuc hang khoa phu thong ))*.