Perhaps you should try some spelling variations:
programs concurrent » programs concurrency, programs current, programming concurrent
programs functional » programming functional, proteins functional, processes functional
functional microrna » functional microbial, functional micro
microrna https » microrna snps, microarrays https, microrna shuttle

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

• Performing a fuzzy search may retrieve terms with similar spellings: programs concurrent programs functional microrna https~.
• Adding a wildcard symbol may retrieve word variants: programs concurrent programs functional microrna https*.