Perhaps you should try some spelling variations:
"coder coder based concept programming" » "coder coder based content programming" (Expand search), "coder coder based context programming" (Expand search), "coder coder based conceptual programming" (Expand search), "coder coder based concurrent programming" (Expand search), "coder decoder based concept programming" (Expand search), "code code based concept programming" (Expand search), "decoder codec based concept programming" (Expand search), "coder code based concept programming" (Expand search), "coder foder based concept programming" (Expand search), "coder codec based concept programming" (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 based concept programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder based concept programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder based concept programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder based concept programming") OR ("on python python python programming"))*.