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