Perhaps you should try some spelling variations:
xanh tai » hanh tai, anh tai, vanh tai
qua cac » cua cac
cac loc » cac lop, cac toc, cac hoc
va xanh » va hanh, va danh, va anh
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky
loc va » hoc va, luc 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 can ky nang x hoi. hieu qua cac loc va xanh tai cua tre~.
• Adding a wildcard symbol may retrieve word variants: tu can ky nang x hoi. hieu qua cac loc va xanh tai cua tre*.