Perhaps you should try some spelling variations:
"coder coder complexity effects probit" » "coder coder complementary effects probit" (Expand search), "coder code complexity effects probit" (Expand search), "coder model complexity effects probit" (Expand search), "coder lower complexity effects probit" (Expand search), "coder coder complexity effects prompt" (Expand search), "coder coder complexity effects probed" (Expand search), "coder coder complexity effects profile" (Expand search), "coder decoder complexity effects probit" (Expand search), "code code complexity effects probit" (Expand search), "decoder codec complexity effects probit" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python 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 complexity effects probit") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder complexity effects probit\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder complexity effects probit ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder complexity effects probit") OR ("_ python python python programming"))*.