Perhaps you should try some spelling variations:
declarative programming » recursive programming
programming expression » reprogramming expression, programming expressive, programming extension
interface declarative » interaction declarative, interlaken declaration, interface separating
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: interface declarative programming expression microarray https~.
• Adding a wildcard symbol may retrieve word variants: interface declarative programming expression microarray https*.