Perhaps you should try some spelling variations:
"path lineal formulacion" » "path la formulacion", "path anexo formulacion", "pat lineal formulacion"
"path una formulacion" » "path la formulacion", "path de formulacion", "path su formulacion", "pat una formulacion"
"paths y formulacion" » "paths la formulacion", "paths de formulacion", "paths y formacion", "pates y formulacion", "paths _ formulacion", "pats y formulacion"

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