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