Perhaps you should try some spelling variations:
"coder coder duration concurrent program" » "coder coder during concurrent program" (Expand search), "coder coder duration content program" (Expand search), "coder coder domain concurrent program" (Expand search), "coder coder duration concurrent programs" (Expand search), "coder coder duration concurrent programming" (Expand search), "coder power duration concurrent program" (Expand search), "coder order duration concurrent program" (Expand search), "coder longer duration concurrent program" (Expand search), "coder decoder duration concurrent program" (Expand search), "code code duration concurrent program" (Expand search), "decoder codec duration 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 coder duration concurrent program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder duration concurrent program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder duration concurrent program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder duration concurrent program") OR ("api python python python programming"))*.