Perhaps you should try some spelling variations:
intersections python » intersections without, intersection method, intersections non
programming notes » programming contest, programming new, programming now
programming novel » reprogramming novel, programming over, programming new
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: intersections python ((programming notes) OR (programming novel)) microarray chips~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "intersections python ((programming notes) OR (programming novel)) microarray chips".
• Adding a wildcard symbol may retrieve word variants: intersections python ((programming notes) OR (programming novel)) microarray chips*.