Perhaps you should try some spelling variations:
multiling » multilingue
multilingues » multilingueues, multilingue, multilinguismo
{uml}uisme. » {uml}usme., {uml}uismo.
{uml}mistmo. » {uml}mismo., {uml}istmo.
{uml}sismos. » {uml}mismos., {uml}smismos., {uml}ssismos., {uml}sistmos.
{uml}ismo. » {uml}mismo., {uml}sismo., {uml}istmo.

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}uisme. or ({uml}mistmo. or {uml}sismos.)) or {uml}ismo.)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (multiling OR multilingues)(({uml}uisme. OR ({uml}mistmo. OR {uml}sismos.)) OR {uml}ismo.).
• Adding a wildcard symbol may retrieve word variants: (multiling or multilingues)(({uml}uisme. or ({uml}mistmo. or {uml}sismos.)) or {uml}ismo.)*.