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