Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
dong hoa » dong hoc
hieu thi » sieu thi, hieu chi, hiep thi
so sach » so sanh, bo sach, co sach
xuc van » duc van, luc van, vuc van
va chua » vua chua, ca chua, a chua
sach ky » sac ky, sach y, sach ty
thi ha » thi hai, thi hanh
va chu » va che, va cau, va chi
ha xuc » hoa xuc, ha duc, chat xuc

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 hoa) or (dong co)) hoi. hieu thi ha xuc van thanh ((va chua) or (va chu)) tri~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky ((dong hoa) OR (dong co)) hoi. hieu thi ha xuc van thanh ((va chua) OR (va chu)) tri.
• Adding a wildcard symbol may retrieve word variants: so sach ky ((dong hoa) or (dong co)) hoi. hieu thi ha xuc van thanh ((va chua) or (va chu)) tri*.