Perhaps you should try some spelling variations:
programming function » programming functional, programming functionals, programme function
function microarray » function microarrays, functional microarray, function micrornas
sample programming » simple programming, example programming, apple programming
programmes sample » programs simple, program sample, programme sampling
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: programmes sample programming function microarray chips~.
• Adding a wildcard symbol may retrieve word variants: programmes sample programming function microarray chips*.