Perhaps you should try some spelling variations:
functionality function » functionals function, functionaries function, functional functions
ccd functionality » add functionality, scr functionality, cell functionality
parallel problem » parallel program, parallel programs, parallel robots
function https » functions https, fiction https
problem ccd » problem can, problem c, problem c2

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