Perhaps you should try some spelling variations:
introduction identification » interaction identification, introduction classification, interactions identification
identification programming » identification programmes, specification programming, verification programming
programming extension » programming extending, programming exceptions, programming session
extension microarray » expression microarray, expression microarrays, suspension microarray
microarray https » microarrays https, microarray chips, microscopy https

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

• Performing a fuzzy search may retrieve terms with similar spellings: introduction identification programming extension microarray https~.
• Adding a wildcard symbol may retrieve word variants: introduction identification programming extension microarray https*.