Perhaps you should try some spelling variations:
multiling » multilingue, multilingues
multiligues » multilingues, multilingue, multilingual
{uml}uiso." » {uml}quiso.", {uml}guiso.", {uml}uso."
{uml}uismo." » {uml}sismo.", {uml}iismo.", {uml}uisme.", {uml}usismo.", {uml}uistmo.", {uml}uiso."
{uml}ismo." » {uml}sismo.", {uml}istmo.", {uml}iso."
{uml}mismo." » {uml}msismo.", {uml}mistmo.", {uml}miso."

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