Perhaps you should try some spelling variations:
"coder coder sampling procedures provided" » "coder coder sampling procedure provided" (Expand search), "coder coder sampling procedures prodist" (Expand search), "coder coder sampling procedures guided" (Expand search), "coder under sampling procedures provided" (Expand search), "coder over sampling procedures provided" (Expand search), "coder core sampling procedures provided" (Expand search), "coder decoder sampling procedures provided" (Expand search), "code code sampling procedures provided" (Expand search), "decoder codec sampling procedures provided" (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 procedures provided") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sampling procedures provided\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder sampling procedures provided ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder sampling procedures provided") OR ("on python python python programming"))*.