Perhaps you should try some spelling variations:
structures microarray » structure microarray, structured microarray, structures array
programming function » programming functional, programming functionals, programme function
studies microarray » series microarray
function les » function less, function led, function lei

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

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