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