Perhaps you should try some spelling variations:
"coder coder treating type problems" » "coder olr treating type problems" (Expand search), "coder co treating type problems" (Expand search), "coder code tracing type problems" (Expand search), "coder coder treating the problems" (Expand search), "coder coder mating type problems" (Expand search), "coder coder treating some problems" (Expand search), "coder decoder treating type problems" (Expand search), "code code treating type problems" (Expand search), "decoder codec treating type problems" (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 treating type problems") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder treating type problems\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder treating type problems ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder treating type problems") OR ("on python python python programming"))*.