Perhaps you should try some spelling variations:
functionaries function » functionals function, functions function, function dysfunction
basic functionaries » basic functionalities, basic functionals, basic functions
parallel groups » parallel group, parallel graphs, parallel graph
function https » functions https, fiction https
groups basic » groups case

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

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