Perhaps you should try some spelling variations:
online diarization » online radicalization, online summarization, online visualization
online litigation » online estimation, online navigation, online distillation
online citation » inline citation, online station, online migration

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((online litigation) OR (online diarization))) OR (online citation)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((online litigation) OR (online diarization))) or (online citation))".
• Adding a wildcard symbol may retrieve word variants: ((((online litigation) OR (online diarization))) or (online citation))*.