Perhaps you should try some spelling variations:
functionaries function » functionals function, functions function, function dysfunction
based functionaries » based functionalities, based functional, based functions
parallel string » parallel parking, parallel stream, parallel using
function https » functions https, fiction https
string based » pairing based, sensing based, clustering based

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

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