Perhaps you should try some spelling variations:
participation agricultural » participation agriculture, clarification agricultural, perception agricultural
participacion cultural » partecipazione culturale, marginacion cultural, anticipation culture
participation culture » anticipation culture, participatory culture, participation nature

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: ((participation culture) OR (((participacion cultural) OR (participation agricultural)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((participation culture) or (((participacion cultural) OR (participation agricultural))))".
• Adding a wildcard symbol may retrieve word variants: ((participation culture) or (((participacion cultural) OR (participation agricultural))))*.