Perhaps you should try some spelling variations:
coleccion multiple » atencion multiple (Expand Search)
estructuras con » estructuras de (Expand Search), estructurados en (Expand Search), estructurales en (Expand Search)
estructuras la » estructuras de (Expand Search), estructura de (Expand Search), estructural de (Expand Search)
estructuras en » estructurados en (Expand Search), estructuras de (Expand Search), estructural del (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((estructuras la) OR (estructuras con))) OR (estructuras en)) coleccion multiple - algoritmo~".
• Adding a wildcard symbol may retrieve word variants: ((((estructuras la) OR (estructuras con))) OR (estructuras en)) coleccion multiple - algoritmo*.