Perhaps you should try some spelling variations:
"coder coder coupling between program" » "coder coder coupling between programme" (Expand search), "coder coder coupling between progress" (Expand search), "coder coder coupling between gram" (Expand search), "coder mode coupling between program" (Expand search), "coder model coupling between program" (Expand search), "coder core coupling between program" (Expand search), "coder decoder coupling between program" (Expand search), "code code coupling between program" (Expand search), "decoder codec coupling between 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 coupling between program") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coupling between program\") OR (\"on python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder coupling between program ) OR ( on python python python programming ))*.