Perhaps you should try some spelling variations:
"coder coding _ python coding" » "coder coding _ python codigo" (Expand search), "coder coding _ action coding" (Expand search), "coder coding _ python code" (Expand search), "modern coding _ python coding" (Expand search), "color coding _ python coding" (Expand search), "odor coding _ python coding" (Expand search)
"piper and python python programming" » "piper and pythons python programming" (Expand search), "piper and piton python programming" (Expand search), "piper and pitons python programming" (Expand search), "piper in python python programming" (Expand search), "piper on python python programming" (Expand search), "piper api python python programming" (Expand search), "pipes and python python programming" (Expand search), "pipe and python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

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