Perhaps you should try some spelling variations:
programming validating » programming evaluating, programming writing, programming balancing
validating programming » evaluating programming, painting programming, existing programming
basic microarray » based microarray, bac microarray, based microarrays
task microarray » based microarray, state microarray, a microarray

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

• Performing a fuzzy search may retrieve terms with similar spellings: programming validating programming ((task microarray) OR (basic microarray)) chips~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "programming validating programming ((task microarray) OR (basic microarray)) chips".
• Adding a wildcard symbol may retrieve word variants: programming validating programming ((task microarray) OR (basic microarray)) chips*.