Perhaps you should try some spelling variations:
functioning problem » functioning problems, functions problem, functions problems
example microarray » sample microarray, samples microarray, simple microarray
function problem » functions problem, functions problems, function probe
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: programming ((functioning problem) OR (function problem)) example microarray chips~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "programming ((functioning problem) OR (function problem)) example microarray chips".
• Adding a wildcard symbol may retrieve word variants: programming ((functioning problem) OR (function problem)) example microarray chips*.