Perhaps you should try some spelling variations:
intersections python » intersections without, intersection method, intersections non
dbase microarray » based microarray, dna microarray, data microarray
microarray https » microarrays https, microarray chips, microscopy https
python programs » python program, action programs, method programs
programs dbase » program dbase, programs case, programs based

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 programs dbase microarray https~.
• Adding a wildcard symbol may retrieve word variants: intersections python programs dbase microarray https*.