Perhaps you should try some spelling variations:
"coder coding string _ programming" » "coder coding using _ programming" (Expand search), "coder sewing string _ programming" (Expand search), "coder comparing string _ programming" (Expand search), "modern coding string _ programming" (Expand search), "color coding string _ programming" (Expand search), "odor coding string _ programming" (Expand search)
"python using python python programming" » "python using pythons python programming" (Expand search), "python using piton python programming" (Expand search), "python using pitons python programming" (Expand search), "python usando python python programming" (Expand search), "python coding python python programming" (Expand search), "action using python python programming" (Expand search), "python in 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 string _ programming\") OR (\"python using python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding string _ programming ) OR ( python using python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding string _ programming") OR ("python using python python programming"))*.