Perhaps you should try some spelling variations:
"cooperacion y solidaritat." » "cooperacion la solidaritat.", "cooperacion y solidaridad.", "cooperacion y solidarias."
"cooperacion i solidaritat." » "cooperacio i solidaritat.", "cooperacion a solidaritat.", "cooperacion e solidaritat.", "cooperacion y solidaridad."
"cooperacion y solidaria." » "cooperacion y solidaridad."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cooperacion y solidaritat.") OR ("cooperacion y solidaria."))) or ("cooperacion i solidaritat."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cooperacion y solidaritat.") OR ("cooperacion y solidaria."))) OR ("cooperacion i solidaritat.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"cooperacion y solidaritat.\") OR (\"cooperacion y solidaria.\"))) or (\"cooperacion i solidaritat.\"))".
• Removing quotes may allow a broader search: (((( cooperacion y solidaritat. ) OR ( cooperacion y solidaria. ))) or ( cooperacion i solidaritat. )).
• Adding a wildcard symbol may retrieve word variants: (((("cooperacion y solidaritat.") OR ("cooperacion y solidaria."))) or ("cooperacion i solidaritat."))*.