Perhaps you should try some spelling variations:
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
lang xa » lang ha, dang xay, lang van
sac ky » sai ky
cham o » cham soc
anh vi » hanh vi, anh ve, anh vu
anh va » hanh va
o van » vo van, so van, do van

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 ((sac ky) OR (cac ky)) lang xa hoi. hieu ve cham o van ((anh vi) OR (anh va)) cuu 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 cham o van ((anh vi) OR (anh va)) cuu tre~".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) or (cac ky)) lang xa hoi. hieu ve cham o van ((anh vi) OR (anh va)) cuu tre*.