Perhaps you should try some spelling variations:
learning programmes » learning programme, learning programs, learning programming
programme learning » programmed learning, programmes learning, program learning
programmes basic » programs basic, programming basic, program basic
microarray chips » microarray chip, microarrays chip, microarray rip
microarray cross » microarray probes, microarray post, microarray probe

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

• Performing a fuzzy search may retrieve terms with similar spellings: programme learning programmes basic ((microarray chips) OR (microarray cross))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "programme learning programmes basic ((microarray chips) OR (microarray cross))".
• Adding a wildcard symbol may retrieve word variants: programme learning programmes basic ((microarray chips) OR (microarray cross))*.