Perhaps you should try some spelling variations:
interactions differences » interactions different, international differences, interaction references
differences programme » conference programme, different programmed, differential programmed
function microarray » function microarrays, functional microarray, function micrornas
programme function » programming function, programme action, programs functional
microarray https » microarrays https, microarray chips, microscopy https

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• Performing a fuzzy search may retrieve terms with similar spellings: interactions differences programme function microarray https~.
• Adding a wildcard symbol may retrieve word variants: interactions differences programme function microarray https*.