Perhaps you should try some spelling variations:
function subprograms » functions programs, functional programs, functional program
function microarray » function microarrays, functional microarray, function micrornas
function program » functional program, functions programs, functional programs
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: programme ((function subprograms) OR (function program)) function microarray chips~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "programme ((function subprograms) OR (function program)) function microarray chips".
• Adding a wildcard symbol may retrieve word variants: programme ((function subprograms) OR (function program)) function microarray chips*.