Perhaps you should try some spelling variations:
functionality microarray » functional microarray, function microarrays, functional microrna
programs functionality » program functionality, programs functional, properties functionality
functionality needs » functionality design
needs functionality » new functionality, pedals functionality, its functionality
microarray chips » microarray chip, microarrays chip, microarray cross

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

• Performing a fuzzy search may retrieve terms with similar spellings: programs functionality needs functionality microarray chips~.
• Adding a wildcard symbol may retrieve word variants: programs functionality needs functionality microarray chips*.