Perhaps you should try some spelling variations:
phau thong » phap thong, khau thong, phan thong
sach nham » sach nha, sach tham, sach han
nham thuc » nhan thuc, nam thuc, nham thu
hanh khoa » hang khoa, anh khoa, hanh hoa
khoa phau » hoa phan, khoa kham, khoa than
pham thuc » phap thuc, pham chuc, pham thu
thuc bach » truc bach, thuc cach, thuoc sach
phan tong » phan trong, phan cong, han tong
toc pham » tac pham, toc cham, toi pham
tu sach » thu sach, su sach, te sach
bach ha » bac ha, bich ha, sach ha
ha phan » hoa phan, hai phan, va phan
tu toc » tu hoc, tu goc, tu tot

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 nham thuc hanh khoa phau thong ) or ( tu toc pham thuc bach ha phan tong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach nham thuc hanh khoa phau thong ) OR ( tu toc pham thuc bach ha phan tong ))*.