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

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 a solidaritat."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cooperacion y solidaritat.") OR ("cooperacion y solidaria."))) OR ("cooperacion a solidaritat.")).
• Removing quotes may allow a broader search: (((( cooperacion y solidaritat. ) or ( cooperacion y solidaria. ))) or ( cooperacion a solidaritat. )).
• Adding a wildcard symbol may retrieve word variants: (((("cooperacion y solidaritat.") or ("cooperacion y solidaria."))) or ("cooperacion a solidaritat."))*.