Perhaps you should try some spelling variations:
multiling » multilingue, multilingues
multilingueues » multilingueueues, multilinguesueues, multilingues, multilingue, multiligues
{uml}ismo." » {uml}mismo.", {uml}sismo.", {uml}istmo."
{uml}smismo." » {uml}smmismo.", {uml}smsismo.", {uml}smistmo.", {uml}asimismo."
{uml}mismos." » {uml}mmismos.", {uml}msismos.", {uml}mistmos.", {uml}mismo."
{uml}sistmo." » {uml}sismo.", {uml}istmo.", {uml}sisto."

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: "(multiling or multilingueues)({uml}ismo." or (({uml}sistmo." or {uml}smismo.") or {uml}mismos."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: "(multiling OR multilingueues)({uml}ismo." or (({uml}sistmo." OR {uml}smismo.") or {uml}mismos.")).
• Removing quotes may allow a broader search: (multiling or multilingueues)({uml}ismo. or (({uml}sistmo. or {uml}smismo. ) or {uml}mismos. )).
• Adding a wildcard symbol may retrieve word variants: "(multiling or multilingueues)({uml}ismo." or (({uml}sistmo." or {uml}smismo.") or {uml}mismos."))*.