Perhaps you should try some spelling variations:
thanh de » hanh de, thanh ve, thanh le
thanh do » thanh pho, thanh hoa, thanh loi
thuc ban » thuoc ban, thuc dan, thu ban
cua tre » cua te, cuu tre, cua triet
mai hoi » mai khoi, dai hoi, lai hoi
hieu he » hieu ve, hiem he, hieu le
tu cao » cu cao, tu cac, vu cao
ma hoi » xa hoi, ma hoa, me hoi
he am » he nam, ve am

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: tu cao ky nang ((ma hoi) OR (mai hoi)). hieu he am thuc ban ((thanh de) OR (thanh do)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cao ky nang ((ma hoi) or (mai hoi)). hieu he am thuc ban ((thanh de) OR (thanh do)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu cao ky nang ((ma hoi) or (mai hoi)). hieu he am thuc ban ((thanh de) OR (thanh do)) cua tre*.