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