Perhaps you should try some spelling variations:
"coder coding in concurrent program" » "coder coding in concurrent programs" (Expand search), "coder coding in concurrent programming" (Expand search), "coder coding and concurrent program" (Expand search), "coder coding of concurrent program" (Expand search), "coder coding _ concurrent program" (Expand search), "modern coding in concurrent program" (Expand search), "color coding in concurrent program" (Expand search), "odor coding in 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.

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