Perhaps you should try some spelling variations:
integration reactive » interactions reactive, integration reactions, integration adaptive
reactive programming » recursive programming, declarative programming, imperative programming
microarray https » microarrays https, microarray chips, microscopy https
a microarray » _ microarray, dna microarray, cdna microarray

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

• Performing a fuzzy search may retrieve terms with similar spellings: integration reactive programming a microarray https~.
• Adding a wildcard symbol may retrieve word variants: integration reactive programming a microarray https*.