Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
cua tre » cua te, cuu tre, cua triet
tai cua » thai cua, tai cuc, tri cua
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
luc va » duc va, tuc va, loc va
xuc va » duc va, tuc va, xac va
sac ky » sai ky
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sac ky) or (cac ky)) lang xa hoi. hieu va cam ((xuc va) or (luc va)) hanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sac ky) OR (cac ky)) lang xa hoi. hieu va cam ((xuc va) OR (luc va)) hanh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: te ((sac ky) or (cac ky)) lang xa hoi. hieu va cam ((xuc va) or (luc va)) hanh tai cua tre*.