Perhaps you should try some spelling variations:
phau thong » phap thong, khau thong, phan thong
tren thuoc » trien thuoc, tren thuc, trung thuoc
thuoc sach » nuoc sach, thuat sach, thuoc sinh
sach tren » sach tien, sach tranh
thuoc ban » thuoc tan, thuoc dang, thu ban
khoa phau » hoa phan, khoa kham, khoa than
sach nghe » sach nghiep, sach nha, anh nghe
hoa thong » hoa trong, hoa khong, hoa thon
ban khoa » san khoa, van khoa, ba khoa
hoc sach » hoc sinh, hoc cac, hoc anh
tu thuoc » truc thuoc, tu thuong, cua thuoc
nghe hoa » nghe va
su sach » so sach, vu sach
sach tu » sach thu, cach tu, sach ty

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( su sach tren thuoc ban khoa phau thong ) or ( hoc sach tu thuoc sach nghe hoa thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( su sach tren thuoc ban khoa phau thong ) OR ( hoc sach tu thuoc sach nghe hoa thong ))*.