Perhaps you should try some spelling variations:
implementation microarray » implementation maria, implementation michael, complementary microarray
programs implementation » program implementation, programme implementation, programming implementation
microarray https » microarrays https, microarray chips, microscopy https
external python » external pathogen, external action, external persons
python programs » python program, action programs, method programs

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

• Performing a fuzzy search may retrieve terms with similar spellings: external python programs implementation microarray https~.
• Adding a wildcard symbol may retrieve word variants: external python programs implementation microarray https*.