Perhaps you should try some spelling variations:
phau thong » phap thong, khau thong, phan thong
sach tham » sach nha
tham thuc » nham thuc, tam thuc, thai thuc
phu thong » pho thong, phap thong, khau thong
sach pham » sach phat, sach phap, san pham
pham thuc » phap thuc, pham chuc, nham thuc
khoa phau » hoa phan, khoa kham, khoa than
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
khoa phu » khoa thu, hoa phu, khoe 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 tham thuc anh khoa phu thong ) or ( so sach pham thuc anh khoa phau thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sach tham thuc anh khoa phu thong ) OR ( so sach pham thuc anh khoa phau thong )).
• Adding a wildcard symbol may retrieve word variants: (( so sach tham thuc anh khoa phu thong ) or ( so sach pham thuc anh khoa phau thong ))*.