Searches for map data in the current map view (as opposed to the find Command, which looks for data globally). You can use the bounds-set Command to set a different map area to be queried.
find-here <search query>
For more information on how to write search queries, please read the Querying Data page.
find-here way[highway=residential AND NOT name]
Looks for any unnamed residential roads.
find-here oneway=yes
Looks for any map elements tagged as one-way.