Perhaps you should try some spelling variations:
"coder coder sampling procedural problem" » "coder coder sampling procedures problem" (Expand search), "coder coder sampling procedure problem" (Expand search), "coder coder shaping procedural problem" (Expand search), "coder coder sampling procedural problems" (Expand search), "coder coder sampling procedural prolog" (Expand search), "coder coder sampling processual problema" (Expand search), "coder under sampling procedural problem" (Expand search), "coder over sampling procedural problem" (Expand search), "coder core sampling procedural problem" (Expand search), "coder decoder sampling procedural problem" (Expand search), "code code sampling procedural problem" (Expand search), "decoder codec sampling procedural problem" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 sampling procedural problem") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sampling procedural problem\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder sampling procedural problem ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder sampling procedural problem") OR ("on python python python programming"))*.