Perhaps you should try some spelling variations:
phau thong » phap thong, khau thong, phan thong
thuoc cach » thuoc sach, thuc cach, truoc cach
khoan khau » khoanh khac, khoa kham, han khau
cao thuoc » cay thuoc, cua thuoc, nam thuoc
cach khoa » bach khoa, cac khoa, cac khoan
khoa phau » hoa phan, khoa kham, khoa than
xac khoan » cac khoan, coc khoan, dac khoa
khau tong » khau thong, khau cong, khau thuong
sach cao » sach dao, sach cap, mach cao
sach dai » sach dao, sach bai, sach dat
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
dai thu » dai thua, dai thuc, doi thu
thu xac » thau xay

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 cao thuoc cach khoa phau thong ) or ( su sach dai thu xac khoan khau tong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach cao thuoc cach khoa phau thong ) OR ( su sach dai thu xac khoan khau tong ))*.