Perhaps you should try some spelling variations:
examples microarray » samples microarray, sample microarray, simple microarray
programs examples » program examples, problems examples, diagrams examples
microarray https » microarrays https, microarray chips, microscopy https
programmes sql » programmes held, programmes _, programmes a
sql programs » dl programs, esl programs, all programs

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

• Adding a wildcard symbol may retrieve word variants: programmes sql programs examples microarray https*.