Perhaps you should try some spelling variations:
tham thuoc » pham thuoc, tham thuc, nha thuoc
khoan phan » khoan phai, khoan thanh, hoa phan
phan thong » phan thuong, phan hong, phan tong
sach tham » sach nha
sach thai » sac thai, sach tai, sach nha
thuoc cac » thuoc cuc, thuoc cao, thuoc dac
thai tuc » thai thuc, thai thuy, thai hoc
ban tong » ban trong, ban tuong, ban thong
tu sach » thu sach, su sach, tu cach
tuc cac » tu cac, tich cac
cac pha » cach pha, cac phan, cac nha
pha ban » pha san, pha tan, nhat ban
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: (( tu sach thai tuc cac pha ban tong ) or ( te sach tham thuoc cac khoan phan thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach thai tuc cac pha ban tong ) OR ( te sach tham thuoc cac khoan phan thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach thai tuc cac pha ban tong ) or ( te sach tham thuoc cac khoan phan thong ))*.