Perhaps you should try some spelling variations:
nang co » nang cao, nang doc, nang noi
hieu va » lieu va, hieu qua
cam cuc » cam xuc, cham cuu, pham cuc
cuc ban » cua ban, cac ban, cuu ban
hanh va » hang va
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
co hoi » co hoc, co loi
va cam » va cham, va cac, va cao

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: tu cac ky nang co hoi. hieu va cam cuc ban ((hanh va) OR (hanh vi)) ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang co hoi. hieu va cam cuc ban ((hanh va) or (hanh vi)) ((cua tre) OR (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang co hoi. hieu va cam cuc ban ((hanh va) or (hanh vi)) ((cua tre) OR (cuu tre))*.