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