Perhaps you should try some spelling variations:
programmes problems » programs problems, programming problems, programmer's problem
problems microarray » probe microarray, protein microarray, proteins microarray
introduction case » introduction ch, introduction chap, introduction chapter
microarray https » microarrays https, microarray chips, microscopy https
case programmes » care programmes, based programmes, mast programmes

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• Performing a fuzzy search may retrieve terms with similar spellings: introduction case programmes problems microarray https~.
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