Perhaps you should try some spelling variations:
"coder coding an concurrent program" » "coder coding an concurrent programs" (Expand search), "coder coding an concurrent programming" (Expand search), "coder coding and concurrent program" (Expand search), "coder coding can concurrent program" (Expand search), "coder coding in concurrent program" (Expand search), "modern coding an concurrent program" (Expand search), "color coding an concurrent program" (Expand search), "odor coding an concurrent program" (Expand search), "coder encoding an concurrent program" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding an concurrent program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding an concurrent program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding an concurrent program") OR ("api python python python programming"))*.