Perhaps you should try some spelling variations:
"coder coder representation by program" » "coder modern representation by program" (Expand search), "coder border representation by program" (Expand search), "coder under representation by program" (Expand search), "coder coder representation _ program" (Expand search), "coder coder representation and program" (Expand search), "coder decoder representation by program" (Expand search), "code code representation by program" (Expand search), "decoder codec representation by program" (Expand search), "coder coder representation by programa" (Expand search), "coder coder representation by programs" (Expand search), "coder coder representation baby program" (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 representation by program") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder representation by program\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder representation by program ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder representation by program") OR ("on python python python programming"))*.