Perhaps you should try some spelling variations:
"coder coder sampling cross coverage" » "coder under sampling cross coverage" (Expand search), "coder over sampling cross coverage" (Expand search), "coder core sampling cross coverage" (Expand search), "coder coder sampling cost coverage" (Expand search), "coder coder sampling costs coverage" (Expand search), "coder coder sampling errors coverage" (Expand search), "coder coder sampling crops coverage" (Expand search), "coder coder sampling grosso coverage" (Expand search), "coder coder sampling press coverage" (Expand search), "coder decoder sampling cross coverage" (Expand search), "code code sampling cross coverage" (Expand search), "decoder codec sampling cross coverage" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python 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 cross coverage") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sampling cross coverage\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder sampling cross coverage ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder sampling cross coverage") OR ("_ python python python programming"))*.