Perhaps you should try some spelling variations:
"coder coding the concurrent program" » "coder coding the concurrent programs" (Expand search), "coder coding the concurrent programming" (Expand search), "coder coding with concurrent program" (Expand search), "coder coding the current program" (Expand search), "coder coding of concurrent program" (Expand search), "modern coding the concurrent program" (Expand search), "color coding the concurrent program" (Expand search), "odor coding the concurrent program" (Expand search), "coder decoding the concurrent program" (Expand search), "coder encoding the concurrent program" (Expand search), "coder aiding the 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 the concurrent program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding the concurrent program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding the concurrent program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding the concurrent program") OR ("api python python python programming"))*.