Perhaps you should try some spelling variations:
function function » function functional, functions functional, function dysfunction
parallel problem » parallel program, parallel programs, parallel robots
asper function » sperm function, hyper function, ester function
function https » functions https, fiction https
problem asper » problem upper, problem after, problem super

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 asper function function https~.
• Adding a wildcard symbol may retrieve word variants: parallel problem asper function function https*.