Perhaps you should try some spelling variations:
"coder coding and concurrent program" » "coder coding and concurrent programs" (Expand search), "coder coding and concurrent programming" (Expand search), "coder coding and current program" (Expand search), "coder coding and recurrent program" (Expand search), "coder coding of concurrent program" (Expand search), "modern coding and concurrent program" (Expand search), "color coding and concurrent program" (Expand search), "odor coding and concurrent program" (Expand search), "coder coding rna 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 and concurrent program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding and concurrent program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding and concurrent program") OR ("api python python python programming"))*.