Perhaps you should try some spelling variations:
function function » function functional, functions functional, function dysfunction
parallel problem » parallel program, parallel programs, parallel robots
ester function » master functions, bezier function, outer functions
function https » functions https, fiction https
problem ester » problem lester, problem better, problem faster

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

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