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

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