Perhaps you should try some spelling variations:
interactions conditional » instructions conditional, alterations conditional, interaction conditions
interaction cognition » interaction recognition, interaction cognitive, interaction conditions
programming recursion » programming decision, programming session, programming decisions
recursion arrays » recursion versus
arrays virus » assays virus, arrays virtual, arrays via

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((interaction cognition) OR (interactions conditional)) programming recursion arrays virus~".
• Adding a wildcard symbol may retrieve word variants: ((interaction cognition) OR (interactions conditional)) programming recursion arrays virus*.