Perhaps you should try some spelling variations:
function dysfunction » function function, nations dysfunction, erectile dysfunction
coherence function » covariance functions
program coherence » program conference, program adherence, program reference
dysfunction https » function https, dysfunction after, dysfunction james
parallel program » parallel programs, parallel problem, parallel programming

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

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