Perhaps you should try some spelling variations:
function microarray » function microarrays, functional microarray, function micrornas
programme function » programming function, programme action, programs functional
computer sampling » computer gaming, computer handling, computer searching
computer mapping » computer imaging, computer gaming, computer taking
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: ((computer sampling) OR (computer mapping)) programme function microarray chips~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((computer sampling) OR (computer mapping)) programme function microarray chips".
• Adding a wildcard symbol may retrieve word variants: ((computer sampling) OR (computer mapping)) programme function microarray chips*.