Perhaps you should try some spelling variations:
functionaries function » functionals function, functions function, function dysfunction
using functionaries » using functionalized, using functional, islam functionaries
parallel classes » parallel cluster, parallel case, parallel closed
function https » functions https, fiction https
classes using » classifiers using, classifier using

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

• Performing a fuzzy search may retrieve terms with similar spellings: parallel classes using functionaries function https~.
• Adding a wildcard symbol may retrieve word variants: parallel classes using functionaries function https*.