Perhaps you should try some spelling variations:
"coder coder some concurrent programs" » "coder coder some concurrent programming" (Expand search), "coder coder soft concurrent programs" (Expand search), "coder coder stroke concurrent programs" (Expand search), "coder coder timed concurrent programs" (Expand search), "coder decoder some concurrent programs" (Expand search), "code code some concurrent programs" (Expand search), "decoder codec some concurrent programs" (Expand search), "coder code some concurrent programs" (Expand search), "coder border some concurrent programs" (Expand search), "coder over some concurrent programs" (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 some concurrent programs") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder some concurrent programs\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder some concurrent programs ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder some concurrent programs") OR ("api python python python programming"))*.