Perhaps you should try some spelling variations:
kham thong » khap thong, khau thong, pham thuong
thuoc sinh » hoc sinh, thu sinh, thuoc sach
sanh trong » sinh trong, anh trong, hanh trong
trong cuoc » trong cac
phau thong » phap thong, khau thong, phan thong
tai thuoc » tri thuoc, bai thuoc, tac thuoc
sinh khoa » sinh hoc, sinh hoat, anh khoa
khoa kham » kho khan, khoa than
sach tai » sach bai, sach tham, sach dao
cach nha » sach nha, cac nha, cach pha
nha phau » nha phat, nhap khau, khoa phau
tu sach » thu sach, su sach, te sach
te sanh » te danh, te sach, te san

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 sinh khoa kham thong ) or ( te sanh trong cuoc cach nha phau thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach tai thuoc sinh khoa kham thong ) OR ( te sanh trong cuoc cach nha phau thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach tai thuoc sinh khoa kham thong ) or ( te sanh trong cuoc cach nha phau thong ))*.