Perhaps you should try some spelling variations:
functionality microarray » functional microarray, function microarrays, functional microrna
program functionality » protein functionality, programs functional, supra functionality
playing computer » planning computer, drawing computer, making computer
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: playing computer program functionality microarray chips~.
• Adding a wildcard symbol may retrieve word variants: playing computer program functionality microarray chips*.