Perhaps you should try some spelling variations:
introducing python » introducing action, introducing mythtv, introducing person
programme function » programming function, programme action, programs functional
program function » programs functional, program foundation, program section
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: introducing python ((program function) OR (programme function)) microarray chips~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "introducing python ((program function) OR (programme function)) microarray chips".
• Adding a wildcard symbol may retrieve word variants: introducing python ((program function) OR (programme function)) microarray chips*.