Perhaps you should try some spelling variations:
integration conditions » integration conclusions, integration solutions, integration continuous
programming recursions » programming decisions, programming decision, programming version
programming recursion » programming decision, programming session, programming decisions
assays virus » arrays virus, assays drug

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: integration conditions ((programming recursions) OR (programming recursion)) assays virus~.
• Adding a wildcard symbol may retrieve word variants: integration conditions ((programming recursions) or (programming recursion)) assays virus*.