Perhaps you should try some spelling variations:
multiligues » multilingues, multilingual, multipliquen
{uml}uismo." » {uml}mismo.", {uml}sismo.", {uml}uisme.", {uml}umismo.", {uml}usismo.", {uml}uistmo."
{uml}iismo." » {uml}mismo.", {uml}sismo.", {uml}itsmo.", {uml}imismo.", {uml}isismo.", {uml}iistmo."
{uml}uistmo." » {uml}istmo."
{uml}ismo." » {uml}mismo.", {uml}sismo.", {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: "(multilingue or multiligues)((({uml}uismo." OR {uml}iismo.") or {uml}uistmo.") or {uml}ismo.")~.
• If you are trying to use Boolean operators, they must be ALL CAPS: "(multilingue OR multiligues)((({uml}uismo." OR {uml}iismo.") OR {uml}uistmo.") or {uml}ismo.").
• Removing quotes may allow a broader search: (multilingue or multiligues)((({uml}uismo. OR {uml}iismo. ) or {uml}uistmo. ) or {uml}ismo. ).
• Adding a wildcard symbol may retrieve word variants: "(multilingue or multiligues)((({uml}uismo." OR {uml}iismo.") or {uml}uistmo.") or {uml}ismo.")*.