Perhaps you should try some spelling variations:
annotation microarray » activation microarray, evolution microarray
generation microarray » generation microrna, generation microscopy, general microarray
integration function » integration functions, integration functional, integration dysfunction
function problem » functions problem, functions problems, function probe

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

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