Perhaps you should try some spelling variations:
kham thong » khap thong, khau thong, pham thuong
phau thong » phap thong, khau thong, phan thong
sach tham » sach nha
tham thuc » nham thuc, pham thuc, tam thuc
khoa phau » hoa phan, khoa than, khoa thu
sach khoa » bach khoa, sach nha, sinh khoa
khoa kham » kho khan, khoa than
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
sach dao » lanh dao
hoc sach » hoc sinh, hoc cac, hoc anh
tu sach » thu sach, su sach, te sach
dao hoc » dai hoc, dan hoc, day hoc

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 tham thuc anh khoa phau thong ) or ( tu sach dao hoc sach khoa kham thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach tham thuc anh khoa phau thong ) OR ( tu sach dao hoc sach khoa kham thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach tham thuc anh khoa phau thong ) or ( tu sach dao hoc sach khoa kham thong ))*.