Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh de » hanh de, thanh ve, thanh do
so hanh » so sanh, so danh, co hanh
hanh ky » hanh kem
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa
de cua » le cua, te cua, dieu cua
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: so hanh ky nang ((o hoi) or (xa hoi)). lieu ((van nam) or (ha nam)) tuc va thanh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so hanh ky nang ((o hoi) OR (xa hoi)). lieu ((van nam) OR (ha nam)) tuc va thanh de cua tre.
• Adding a wildcard symbol may retrieve word variants: so hanh ky nang ((o hoi) or (xa hoi)). lieu ((van nam) or (ha nam)) tuc va thanh de cua tre*.