Perhaps you should try some spelling variations:
phau thong » khau thong, phan thong, phan thuong
thuoc sinh » hoc sinh, thu sinh
thuoc sach » hoc sach, nuoc sach, thuat sach
phap thong » phap phong, phap chong, pho thong
tao thuoc » cao thuoc, tac thuoc, tao duoc
sinh khoa » sinh hoc, sinh hoat, anh khoa
khoa phau » hoa phan, khoa kham, khoa than
tri thuoc » tri thuc, tri hoc, tin thuoc
cach tao » cach bao, cach nao, cach ta
thu sach » tu sach, thuat sach, thu hoach
sach tri » sach tai, sach tren, sach truc
nha phap » nha phat, pham phap, chap phap
tu cach » tu cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu cach tao thuoc sinh khoa phau thong ) or ( thu sach tri thuoc sach nha phap thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cach tao thuoc sinh khoa phau thong ) OR ( thu sach tri thuoc sach nha phap thong ))*.