Perhaps you should try some spelling variations:
"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)
"coder coder ending matlab programa" » "coder coder using matlab programa" (Expand search), "coder coder ending caleb programa" (Expand search), "coder coder enriching matlab programa" (Expand search), "coder under bending matlab programa" (Expand search), "coder code blending matlab programa" (Expand search), "coder longer ending matlab programa" (Expand search), "coder decoder ending matlab programa" (Expand search), "code code ending matlab programa" (Expand search), "decoder codec ending matlab programa" (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 ending matlab programa") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder ending matlab programa\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder ending matlab programa ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder ending matlab programa") OR ("on python python python programming"))*.