Perhaps you should try some spelling variations:
peptide microarray » peptide microarrays, lectin microarray, wide microarray
reference python » reference method, reference author, reference edition
program peptide » program practice
microarray chip » microarray cgh, microarrays case, microarrays cell
python program » python programs, action program, python programming

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

• Adding a wildcard symbol may retrieve word variants: reference python program peptide microarray chip*.