Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
hieu van » hieu va, thien van, lieu va
nam thuc » nam thuoc, am thuc, nam thu
va thanh » gia thanh, ban thanh, va tinh
nam mua » nam cua, nam qua, nam xua
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
su sai » su tai, su hai, su dai
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ky nang ((x ho) or (xa hoi)). hieu van ((nam thuc) or (nam mua)) va thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky nang ((x ho) OR (xa hoi)). hieu van ((nam thuc) OR (nam mua)) va thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sai ky nang ((x ho) or (xa hoi)). hieu van ((nam thuc) or (nam mua)) va thanh vai cua tre*.