Perhaps you should try some spelling variations:
thuoc doanh » thuoc dang, thuoc dong, thuoc thanh
doanh khoa » toan khoa
phap thong » phap phong, phap chong, pho thong
tai thuoc » tri thuoc, bai thuoc, tac thuoc
hoach tai » hoach toi, hoach toan, hoach thay
khoa phap » khoa phau, khoan phai, khong phap
thu sach » tu sach, thuat sach, thuoc sach
sach tri » sach tai, sach tren, sach truc
tri thuc » tri tue
co thong » bo thong, co trong, co phong
thuc va » thuc vat, thuc dan, thuc day
va nghe » van nghe, ve nghe, va nghi
nghe co » nghe che, nghe hoa, nghe noi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu sach tri thuc va nghe co thong ) OR ( thu hoach tai thuoc doanh khoa phap thong ))~.
• Adding a wildcard symbol may retrieve word variants: (( thu sach tri thuc va nghe co thong ) or ( thu hoach tai thuoc doanh khoa phap thong ))*.