Perhaps you should try some spelling variations:
multiling » multilingue, multilingues
multilinguistmo » multilingueuistmo, multilinguesuistmo, multilinguismo, multilinguisme, multilinguista
{uml}uismo." » {uml}mismo.", {uml}sismo.", {uml}iismo.", {uml}umismo.", {uml}usismo.", {uml}uistmo."
{uml}uisme." » {uml}usme."
{uml}ismo." » {uml}mismo.", {uml}sismo.", {uml}istmo."
{uml}simo." » {uml}simon.", {uml}sido.", {uml}sino."

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 multilinguistmo)((({uml}uismo." or {uml}uisme.") or {uml}ismo.") or {uml}simo.")~.
• If you are trying to use Boolean operators, they must be ALL CAPS: "(multiling OR multilinguistmo)((({uml}uismo." or {uml}uisme.") OR {uml}ismo.") or {uml}simo.").
• Removing quotes may allow a broader search: (multiling or multilinguistmo)((({uml}uismo. or {uml}uisme. ) or {uml}ismo. ) or {uml}simo. ).
• Adding a wildcard symbol may retrieve word variants: "(multiling or multilinguistmo)((({uml}uismo." or {uml}uisme.") or {uml}ismo.") or {uml}simo.")*.