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 coping c program" » "coder cope coping c program" (Expand search), "coder cancer coping c program" (Expand search), "coder career coping c program" (Expand search), "coder decoder coping c program" (Expand search), "code code coping c program" (Expand search), "decoder codec coping c program" (Expand search), "coder coder coping c programs" (Expand search), "coder coder coping abc program" (Expand search), "coder coder coping _ program" (Expand search), "coder coder coping b program" (Expand search), "coder coder coping etc program" (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 coping c program") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coping c program\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder coping c program ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder coping c program") OR ("on python python python programming"))*.