Perhaps you should try some spelling variations:
vat dung » van dung, va dung, viet dung
cua tre » cua te, cuu tre, cua triet
dung co » dung cho, dung cong, dung cua
dang xa » dang xay, lang xa, dang ha
co cua » con cua, ca cua, cong cua
tu vat » tu va, tu van, tu bat
ve cac » va cac, vien cac
sac ky » sai ky
ve cam » ve cham, va cam, ve cai

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

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