Perhaps you should try some spelling variations:
"coder coder coping concurrent object" » "coder coder proving concurrent object" (Expand search), "coder coder during concurrent object" (Expand search), "coder coder chain concurrent object" (Expand search), "coder coder coping concurrent test" (Expand search), "coder cope coping concurrent object" (Expand search), "coder cancer coping concurrent object" (Expand search), "coder career coping concurrent object" (Expand search), "coder decoder coping concurrent object" (Expand search), "code code coping concurrent object" (Expand search), "decoder codec coping 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 coping concurrent object") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coping concurrent object\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder coping concurrent object ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder coping concurrent object") OR ("on python python python programming"))*.