Perhaps you should try some spelling variations:
kham thong » khap thong, khau thong, pham thuong
thuc bach » truc bach, thuc cach, thuoc sach
khoa phan » hoa phan, khoa than, khoa phau
phan tong » phan trong, phan cong, han tong
sach tren » sach tien, sach tranh
tren thuc » trien thuc, tron thuc, trinh thuc
khoa kham » kho khan, khoa than
sach tri » sach tai, sach truc, sach bai
tri thuc » tri tue
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
so sach » so sanh, bo sach, co sach
te sach » toc 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 tri thuc bach khoa phan tong ) or ( te sach tren thuc anh khoa kham thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sach tri thuc bach khoa phan tong ) OR ( te sach tren thuc anh khoa kham thong )).
• Adding a wildcard symbol may retrieve word variants: (( so sach tri thuc bach khoa phan tong ) or ( te sach tren thuc anh khoa kham thong ))*.