Perhaps you should try some spelling variations:
"pat anexo formulacion" » "pat lineal formulacion", "pat de formulacion", "pat una formulacion", "paz anexo formulacion", "pais anexo formulacion", "a anexo formulacion"
"parte anexo formulacion" » "parte lineal formulacion", "parte de formulacion", "parte una formulacion"
"pat la formulacion" » "pat la formacion", "pat la acumulacion", "pat la circulacion", "pratt la formulacion"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("pat la formulacion") OR ((("pat anexo formulacion") OR ("parte anexo formulacion"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"pat la formulacion\") OR (((\"pat anexo formulacion\") OR (\"parte anexo formulacion\"))))*".
• Removing quotes may allow a broader search: (( pat la formulacion ) OR ((( pat anexo formulacion ) OR ( parte anexo formulacion ))))*.