Perhaps you should try some spelling variations:
"de lineal formulacion" » "de la formulacion", "de una formulacion", "de anexo formulacion", "de linea formulacion", "_ lineal formulacion", "lo lineal formulacion"
"de lineas formulacion" » "de la formulacion", "de una formulacion", "de anexo formulacion", "de linguas formulacion", "y lineas formulacion"
"la integral formulation" » "e integral formulation", "_ integral formulation", "de integral formulation"

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

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