Perhaps you should try some spelling variations:
multiling » multilingues
multilingue » multilinguesue
multilingueues » multilinguesueues, multilingues, multiligues
{uml}sismos." » {uml}mismos.", {uml}smismos.", {uml}ssismos.", {uml}sistmos."
{uml}usismos." » {uml}umismos.", {uml}lusismos.", {uml}usmismos.", {uml}ussismos.", {uml}usistmos."
{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 multilingue) or multilingueues)(({uml}sismos." or {uml}usismos.") or {uml}ismo.")~.
• If you are trying to use Boolean operators, they must be ALL CAPS: "((multiling or multilingue) or multilingueues)(({uml}sismos." OR {uml}usismos.") or {uml}ismo.").
• Removing quotes may allow a broader search: ((multiling or multilingue) or multilingueues)(({uml}sismos. or {uml}usismos. ) or {uml}ismo. ).
• Adding a wildcard symbol may retrieve word variants: "((multiling or multilingue) or multilingueues)(({uml}sismos." or {uml}usismos.") or {uml}ismo.")*.