Perhaps you should try some spelling variations:
hieu va » lieu va, hieu qua
cac toc » cac toi, cac nuoc, cac thoi
van vat » van chat, nhan vat
vat cua » mat cua, bat cua, dat cua
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
toc va » hoc va, toc ta, tuc va
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: tu sac ky nang x hoi. hieu va cac toc va van vat cua tre~.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. hieu va cac toc va van vat cua tre*.