Perhaps you should try some spelling variations:
"instituto pedagogico conversaciones" » "instituto pedagogica conclusiones", "instituto oncologico conversaciones"
"instituto pedagogico conversacionales" » "instituto oncologico conversacionales"
"instituto geologico nacional" » "instituto tecnologico nacional", "instituto neurologico nacional", "instituto oncologico nacional", "instituto geologico regional", "instituto pedagogico nacional"
"instituto colegio nacional" » "instituto oncologico nacional", "instituto copesal nacional", "antiguo colegio nacional", "instituto coleccion nacional"

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: (("instituto colegio nacional") OR ((("instituto geologico nacional") OR ((("instituto pedagogico conversacionales") OR ("instituto pedagogico conversaciones"))))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"instituto colegio nacional\") or (((\"instituto geologico nacional\") or (((\"instituto pedagogico conversacionales\") OR (\"instituto pedagogico conversaciones\"))))))~".
• Removing quotes may allow a broader search: (( instituto colegio nacional ) or ((( instituto geologico nacional ) or ((( instituto pedagogico conversacionales ) OR ( instituto pedagogico conversaciones ))))))~.
• Adding a wildcard symbol may retrieve word variants: (("instituto colegio nacional") or ((("instituto geologico nacional") or ((("instituto pedagogico conversacionales") OR ("instituto pedagogico conversaciones"))))))*.