Perhaps you should try some spelling variations:
multiling » multilingue
multilingues » multilingueues, multilingue, multilinguismo
{uml}itsmo." » {uml}iismo."
{uml}umismo." » {uml}ummismo.", {uml}umsismo.", {uml}umistmo."
{uml}ismo." » {uml}mismo.", {uml}sismo.", {uml}istmo."
{uml}mistmo." » {uml}mismo.", {uml}istmo."

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