Perhaps you should try some spelling variations:
functional microarray » function microarrays, functional microrna, functional microbial
programme functional » programs functional, programme function, programming functional
processing tutorial » processing tutorials, processes tutorial, processing materials
tutorial programme » tutorial program, tutorial programs, materials programme
microarray https » microarrays https, microarray chips, microscopy https

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• Adding a wildcard symbol may retrieve word variants: processing tutorial programme functional microarray https*.