Perhaps you should try some spelling variations:
multiling » multilingue
multilingues » multilingueues, multilingue, multilinguismo
multilingueues » multilingueueues, multilingue, multiligues
{uml}ismo." » {uml}sismo.", {uml}istmo.", {uml}iso."
{uml}sismos." » {uml}ssismos.", {uml}sistmos.", {uml}sisos.", {uml}mismos."
{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 multilingues) or multilingueues)({uml}ismo." or ({uml}sismos." or {uml}mismo."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: "((multiling or multilingues) or multilingueues)({uml}ismo." OR ({uml}sismos." or {uml}mismo.")).
• Removing quotes may allow a broader search: ((multiling or multilingues) or multilingueues)({uml}ismo. or ({uml}sismos. or {uml}mismo. )).
• Adding a wildcard symbol may retrieve word variants: "((multiling or multilingues) or multilingueues)({uml}ismo." or ({uml}sismos." or {uml}mismo."))*.