Perhaps you should try some spelling variations:
multiling » multilingue
multilingues » multilingueues, multilingue, multilinguismo
{uml}usme." » {uml}use."
{uml}ismo." » {uml}mismo.", {uml}sismo.", {uml}istmo."
{uml}sismos." » {uml}smismos.", {uml}ssismos.", {uml}sistmos.", {uml}mismos."
{uml}siso." » {uml}sismo.", {uml}sieso.", {uml}sido."

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}usme." or ({uml}ismo." OR ({uml}siso." or {uml}sismos.")))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"(multiling OR multilingues)({uml}usme.\" or ({uml}ismo.\" OR ({uml}siso.\" or {uml}sismos.\")))".
• Removing quotes may allow a broader search: (multiling OR multilingues)({uml}usme. or ({uml}ismo. OR ({uml}siso. or {uml}sismos. ))).
• Adding a wildcard symbol may retrieve word variants: "(multiling OR multilingues)({uml}usme." or ({uml}ismo." OR ({uml}siso." or {uml}sismos.")))*.