Perhaps you should try some spelling variations:
dang deo » dang do, dang dieu, dung demo
hieu va » lieu va, hieu qua
cac thu » cach thuc, cac thoi
thu day » thuc day, thu da, thu dac
dang de » dung de, dang do, vang de
cua tre » cua te, cuu tre, cua triet
vu sai » vu hai, vu san, vu dai
sai ky » sac ky
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sai ky nang x hoi. hieu va cac thu day ((dang de) or (dang deo)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sai ky nang x hoi. hieu va cac thu day ((dang de) OR (dang deo)) cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sai ky nang x hoi. hieu va cac thu day ((dang de) or (dang deo)) cua tre*.