Perhaps you should try some spelling variations:
mitigation programmes » elimination programmes, sanitation programmes, vaccination programmes
migration programmes » education programmes, nutrition programmes, operation programme
function micrornas » function microarrays, functional microrna, function microbial
micrornas https » microarrays https

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• Performing a fuzzy search may retrieve terms with similar spellings: interface ((migration programmes) OR (mitigation programmes)) function micrornas https~.
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