Perhaps you should try some spelling variations:
"coder coder complexity sampling data" » "coder coder complex sampling data" (Expand search), "coder coder complexity scaling data" (Expand search), "coder coder community sampling data" (Expand search), "coder code complexity sampling data" (Expand search), "coder model complexity sampling data" (Expand search), "coder lower complexity sampling data" (Expand search), "coder coder complexity sampling and" (Expand search), "coder coder complexity sampled data" (Expand search), "coder coder complexity sample data" (Expand search), "coder decoder complexity sampling data" (Expand search), "code code complexity sampling data" (Expand search), "decoder codec complexity sampling data" (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 sampling data") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder complexity sampling data\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder complexity sampling data ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder complexity sampling data") OR ("_ python python python programming"))*.