Perhaps you should try some spelling variations:
pho thong » he thong
vay thuoc » cay thuoc, va thuoc, nam thuoc
thuoc anh » thuoc thanh, thuoc dang, thuoc sach
khoa than » khoa luan, hoa thai, hoa tan
than tong » than trong, han tong, phan tong
sach bai » sach dao, cac bai, sach xa
bai thuc » bai thuoc, bao thuc, dai thuc
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
khoa pho » khoa phu, khoa khoa, khoa phau
sach vay » sach va, sach hay, sach nay
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach

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 bai thuc anh khoa pho thong ) or ( su sach vay thuoc anh khoa than tong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach bai thuc anh khoa pho thong ) OR ( su sach vay thuoc anh khoa than tong ))*.