Perhaps you should try some spelling variations:
khoan khau » khoanh khac, khoa phau, han khau
khau thong » khau thuong, khap thong, khau tong
kham thong » khap thong, pham thuong, khac thuong
han thuoc » hanh thuoc, ban thuoc, khang thuoc
thuoc cac » thuoc cuc, thuoc cao, thuoc dac
khoa kham » kho khan, khoa than
sach han » sach tham, sach danh, sach nang
thu thuc » thuc thuc, thu thuoc, thue thuc
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
tu sach » thu sach, su sach, te sach
thu cac » tu cac, thu xac, thu cuc
cac thu » cach thuc, cac thoi

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 han thuoc cac khoan khau thong ) or ( thu cac thu thuc anh khoa kham thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach han thuoc cac khoan khau thong ) OR ( thu cac thu thuc anh khoa kham thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach han thuoc cac khoan khau thong ) or ( thu cac thu thuc anh khoa kham thong ))*.