Perhaps you should try some spelling variations:
"coder coder reading concurrent object" » "coder coder testing concurrent object" (Expand search), "coder coder rewriting concurrent object" (Expand search), "coder coder training concurrent object" (Expand search), "coder coder reading concurrent test" (Expand search), "coder modern reading concurrent object" (Expand search), "coder model reading concurrent object" (Expand search), "coder over reading concurrent object" (Expand search), "coder decoder reading concurrent object" (Expand search), "code code reading concurrent object" (Expand search), "decoder codec reading concurrent object" (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 reading concurrent object") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder reading concurrent object\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder reading concurrent object ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder reading concurrent object") OR ("on python python python programming"))*.