Perhaps you should try some spelling variations:
functionality microarray » functional microarray, function microarrays, functional microrna
interval program » integral program, intern program, interface programs
microarray chips » microarray chip, microarrays chip, microarray cross
inter program » intern program, integer program, pointer program

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

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