Perhaps you should try some spelling variations:
explaining microarray » exploring microarray, mining microarray, utilizing microarray
programs explaining » programs exploiting, programs planning, programs exploring
learning programs » learning program, training programs, learning problems
microarray https » microarrays https, microarray chips, microscopy https

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

• Performing a fuzzy search may retrieve terms with similar spellings: active learning programs explaining microarray https~.
• Adding a wildcard symbol may retrieve word variants: active learning programs explaining microarray https*.