Perhaps you should try some spelling variations:
"path lineal formulacion" » "path la formulacion", "path anexo formulacion", "paths lineal formulacion", "pat lineal formulacion"
"paz una formulacion" » "paz la formulacion", "paz y formulacion", "paz su formulacion", "pazos una formulacion", "raiz una formulacion"
"pais de formulacion" » "pais de formacion", "pais la formulacion", "pais de acumulacion"

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: "((\"path lineal formulacion\") OR (((\"paz una formulacion\") OR (\"pais de formulacion\"))))~".
• Removing quotes may allow a broader search: (( path lineal formulacion ) OR ((( paz una formulacion ) OR ( pais de formulacion ))))~.
• Adding a wildcard symbol may retrieve word variants: (("path lineal formulacion") OR ((("paz una formulacion") OR ("pais de formulacion"))))*.