Perhaps you should try some spelling variations:
problems functionaries » problems dictionaries, problems functions, problem functionals
functionaries function » functionals function, functions function, function dysfunction
parallel groups » parallel group, parallel graphs, parallel graph
groups problems » group problem, groups process
function https » functions https, fiction https

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 problems functionaries function https~.
• Adding a wildcard symbol may retrieve word variants: parallel groups problems functionaries function https*.