Perhaps you should try some spelling variations:
dang thanh » dong thanh, dang hanh, hoang thanh
thuc dang » thuoc dang, thuc dan, thuc dung
thanh co » thanh do, thanh ca, thanh ho
so sach » so sanh, bo sach, co sach
ve nham » ve cham
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
te sach » toc sach
ve nha » ke nha
co cua » con cua, ca cua, cong cua

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: ((so sach) OR (te sach)) ky nang xa hoi. hieu ((ve nham) OR (ve nha)) thuc dang thanh co cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) or (te sach)) ky nang xa hoi. hieu ((ve nham) OR (ve nha)) thuc dang thanh co cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (te sach)) ky nang xa hoi. hieu ((ve nham) OR (ve nha)) thuc dang thanh co cua tre*.