Perhaps you should try some spelling variations:
dong khoa » duong khoa, dung khoa, dong hoa
van thanh » ban thanh, van tuan
thi cham » thi hai, toc cham, thi ha
cham xuc » cam xuc, chat xuc, cham soc
hieu thi » sieu thi, hieu chi, hiep thi
khoa hoi » khoan hoi, khoa hoc, khoa doi
sach ky » sac ky, sach y, sach ty
xuc van » duc van, luc van, vuc van
ky dong » ly dong, ky dang, ky cong
va chua » vua chua, va chu, a chua
ca chua » ca cua, sua chua
so sach » so sanh, bo sach, co sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky dong khoa hoi. hieu thi cham xuc van thanh ((va chua) OR (ca chua)) tri~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky dong khoa hoi. hieu thi cham xuc van thanh ((va chua) OR (ca chua)) tri".
• Adding a wildcard symbol may retrieve word variants: so sach ky dong khoa hoi. hieu thi cham xuc van thanh ((va chua) OR (ca chua)) tri*.