Perhaps you should try some spelling variations:
multiling » multilingue
multilingues » multilingueues, multilingue, multilinguismo
{uml}uismo." » {uml}iismo.", {uml}uisme.", {uml}uistmo.", {uml}uiso."
{uml}ismo." » {uml}istmo.", {uml}iso."
{uml}mismo." » {uml}mistmo.", {uml}miso."
{uml}sismo." » {uml}sistmo.", {uml}siso.", {uml}sismos.", {uml}simo."

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}uismo." or (({uml}ismo." OR {uml}mismo.") or {uml}sismo."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: "(multiling OR multilingues)({uml}uismo." or (({uml}ismo." OR {uml}mismo.") or {uml}sismo.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"(multiling or multilingues)({uml}uismo.\" or (({uml}ismo.\" OR {uml}mismo.\") or {uml}sismo.\"))".
• Removing quotes may allow a broader search: (multiling or multilingues)({uml}uismo. or (({uml}ismo. OR {uml}mismo. ) or {uml}sismo. )).
• Adding a wildcard symbol may retrieve word variants: "(multiling or multilingues)({uml}uismo." or (({uml}ismo." OR {uml}mismo.") or {uml}sismo."))*.