Perhaps you should try some spelling variations:
problems microarray » protein microarray, proteins microarray, proteome microarray
kernel interface » kernels interface, serial interface, internet interface
probe microarray » protein microarray, from microarray, microbes microarray
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: kernel interface ((problems microarray) OR (probe microarray)) microarray chips~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "kernel interface ((problems microarray) OR (probe microarray)) microarray chips".
• Adding a wildcard symbol may retrieve word variants: kernel interface ((problems microarray) OR (probe microarray)) microarray chips*.