Perhaps you should try some spelling variations:
"coder coder sampling grid coverage" » "coder under sampling grid coverage" (Expand search), "coder over sampling grid coverage" (Expand search), "coder core sampling grid coverage" (Expand search), "coder coder sampling and coverage" (Expand search), "coder coder sampling in coverage" (Expand search), "coder coder sampling gaps coverage" (Expand search), "coder coder sampling ground coverage" (Expand search), "coder coder sampling green coverage" (Expand search), "coder coder sampling broad coverage" (Expand search), "coder decoder sampling grid coverage" (Expand search), "code code sampling grid coverage" (Expand search), "decoder codec sampling grid coverage" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python 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 coder sampling grid coverage\") OR (\"in python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder sampling grid coverage ) OR ( in python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder sampling grid coverage") OR ("in python python python programming"))*.