Perhaps you should try some spelling variations:
"coder coder concurrent channel programming" » "coder coder concurrent cancer programming" (Expand search), "coder coder concurrent cone programming" (Expand search), "coder coder concurrent convex programming" (Expand search), "coder coder concurrent chain programming" (Expand search), "coder coder convergent channel programming" (Expand search), "coder coder concurrent haskell programming" (Expand search), "coder power concurrent channel programming" (Expand search), "coder after concurrent channel programming" (Expand search), "coder or concurrent channel programming" (Expand search), "coder decoder concurrent channel programming" (Expand search), "code code concurrent channel programming" (Expand search), "decoder codec concurrent channel programming" (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)

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 concurrent channel programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder concurrent channel programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder concurrent channel programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder concurrent channel programming") OR ("api python python python programming"))*.