Perhaps you should try some spelling variations:
problem implementation » problems implementation, program implementation, programs implementation
implementation program » implementation process, implementation plan, implementation part
functional microrna » functional microbial, functional micro
program functional » programs functional, program functionality, program national
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: problem implementation program functional microrna https~.
• Adding a wildcard symbol may retrieve word variants: problem implementation program functional microrna https*.