Perhaps you should try some spelling variations:
interactions functions » interactions functional, integration functions, interactions fractional
functions programmed » equations programmed, functional programming, functional programs
microarray https » microarrays https, microarray chips, microscopy https
programmed perl » programmed cell, programmes per, programming perl
perl microarray » pcr microarray, cell microarray, del microarray

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

• Performing a fuzzy search may retrieve terms with similar spellings: interactions functions programmed perl microarray https~.
• Adding a wildcard symbol may retrieve word variants: interactions functions programmed perl microarray https*.