Perhaps you should try some spelling variations:
functionals microarray » functional microarray, function microarrays, functional microrna
problem functionals » problem functional, problems functions, probing functional
microarray https » microarrays https, microarray chips, microscopy https
interface array » interface area, interface andrew
array problem » array problems, airway problem, array probes

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

• Performing a fuzzy search may retrieve terms with similar spellings: interface array problem functionals microarray https~.
• Adding a wildcard symbol may retrieve word variants: interface array problem functionals microarray https*.