Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vai » thanh hai, thanh van, thanh tai
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
vai cua » dai cua, hai cua, lai cua
lang xa » lang ha, dang xay, lang van
hieu ve » hieu van
xuc van » duc van, luc van, vuc van
sac ky » sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sac ky) or (cac ky)) lang xa hoi. ((hieu ve) OR (hieu va)) cam xuc van thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (cac ky)) lang xa hoi. ((hieu ve) OR (hieu va)) cam xuc van thanh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) or (cac ky)) lang xa hoi. ((hieu ve) OR (hieu va)) cam xuc van thanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) or (cac ky)) lang xa hoi. ((hieu ve) OR (hieu va)) cam xuc van thanh vai cua tre*.