Perhaps you should try some spelling variations:
intersections python » intersections without, intersection method, intersections non
mining microarray » tiling microarray, binding microarrays, tiling microarrays
python problems » python programs
problems mining » problems making, problems combining, problems examining
microarray chip » microarray cgh, microarrays case, microarrays cell

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 problems mining microarray chip~.
• Adding a wildcard symbol may retrieve word variants: intersections python problems mining microarray chip*.