Perhaps you should try some spelling variations:
"coder coder discourse image processing" » "coder code discourse image processing" (Expand search), "coder coded discourse image processing" (Expand search), "coder border discourse image processing" (Expand search), "coder coder discourse change processing" (Expand search), "coder decoder discourse image processing" (Expand search), "code code discourse image processing" (Expand search), "decoder codec discourse image processing" (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 discourse image processing") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder discourse image processing\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder discourse image processing ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder discourse image processing") OR ("on python python python programming"))*.