Perhaps you should try some spelling variations:
"in python pythons python programming" » "in python python python programming" (Expand search), "in piton python python programming" (Expand search), "in python pitons python programming" (Expand search), "in python piton python programming" (Expand search), "_ python pythons python programming" (Expand search)
"coder coder testing c programming" » "coder model testing c programming" (Expand search), "coder mode testing c programming" (Expand search), "coder cancer testing c programming" (Expand search), "coder coder testing _ programming" (Expand search), "coder coder testing cone programming" (Expand search), "coder coder testing and programming" (Expand search), "coder decoder testing c programming" (Expand search), "code code testing c programming" (Expand search), "decoder codec testing c programming" (Expand search), "coder coder testing 5 programming" (Expand search), "coder coder testing 6 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 testing c programming") OR ("in python pythons python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder testing c programming\") OR (\"in python pythons python programming\"))".
• Removing quotes may allow a broader search: (( coder coder testing c programming ) OR ( in python pythons python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder testing c programming") OR ("in python pythons python programming"))*.