Perhaps you should try some spelling variations:
vat dung » van dung, va dung, viet dung
hieu ve » hieu va, hieu van
dang xa » dang xay, dang ha, dang va
cua tre » cuu tre, cua triet, dua tren
lang xa » lang ha, dang xay, lang van
tu vat » tu va, tu van, tu bat
so sac » so sach, so dac
tam tu » nam tu, cam tu, dam tu
ve tam » ve tac, ve tai, va tam
sac ky » cac ky, sai ky
cua te » cua tu

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: so sac ky ((dang xa) OR (lang xa)) hoi. hieu ve tam tu vat dung cho ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sac ky ((dang xa) OR (lang xa)) hoi. hieu ve tam tu vat dung cho ((cua tre) or (cua te))~".
• Adding a wildcard symbol may retrieve word variants: so sac ky ((dang xa) OR (lang xa)) hoi. hieu ve tam tu vat dung cho ((cua tre) or (cua te))*.