Perhaps you should try some spelling variations:
functionaries function » functionals function, functions function, function dysfunction
problem functionaries » problem functionals, problems dictionaries, problem functional
parallel sparse » parallel search
sparse problem » sparse problems, space problem, sparsity problem
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 sparse problem functionaries function https~.
• Adding a wildcard symbol may retrieve word variants: parallel sparse problem functionaries function https*.