Perhaps you should try some spelling variations:
phau thong » phap thong, khau thong, phan thong
thuoc dang » thuoc dung, thuoc khang, thuc dan
tai thuoc » tri thuoc, bai thuoc, tac thuoc
dang khoa » hang khoa, dang khoi, dong khoa
khoa phau » hoa phan, khoa kham, khoa than
sach tren » sach tien, sach tranh
tren thuc » trien thuc, tron thuc, trinh thuc
thuc dung » thuoc dung, thuy dung, tuc dung
dung khoa » dung cho
thu tuong » tu tuong, thu huong, thuy duong
sach tai » sach bai, sach tham, sach dao
khoa thu » khoa than, hoai thu, ho thu
tu sach » thu sach, su sach, te 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 tai thuoc dang khoa phau thong ) or ( tu sach tren thuc dung khoa thu tuong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach tai thuoc dang khoa phau thong ) OR ( tu sach tren thuc dung khoa thu tuong ))*.