Perhaps you should try some spelling variations:
interface implementation » interfaces implementation, internal implementation, integrated implementation
implementation problem » implementation problems, implementation profiles, implementation program
functionals microrna » functional microrna, functional microarray, functional microbial
problem functionals » problem functional, problems functions, probing functional
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: interface implementation problem functionals microrna https~.
• Adding a wildcard symbol may retrieve word variants: interface implementation problem functionals microrna https*.