Perhaps you should try some spelling variations:
functional progression » functional progressions, functional regression, educational progression
progression exercises » progressive exercises, progress exercises, processing exercises
exercises microarray » series microarray, experiments microarray
microarray https » microarrays https, microarray chips, microscopy https

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

• Performing a fuzzy search may retrieve terms with similar spellings: integration functional progression exercises microarray https~.
• Adding a wildcard symbol may retrieve word variants: integration functional progression exercises microarray https*.