Perhaps you should try some spelling variations:
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python python programming" (Expand search)
"coder coder slide image processing" » "coder decoder slide image processing" (Expand search), "code code slide image processing" (Expand search), "decoder codec slide image processing" (Expand search), "coder color slides image processing" (Expand search), "coder coder slide imaging processing" (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 slide image processing") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder slide image processing\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder slide image processing ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder slide image processing") OR ("_ python python python programming"))*.