Query in Multiple Languages
You can create local sources in more than one language or connect
remote sources that were prepared this way. When you run a search,
every query is processed according to language rules (stemming etc.)
for given language.
It is possible to run a search containing a different query for each
language. Queries are processed by language and then all the retrieved
documents are merged into one result list. This gives you a complete
picture about all the data that you have.