Perhaps you should try some spelling variations:
"coder coder complexity cognition polymer" » "coder coder complexity control polymer" (Expand search), "coder coder complexity vegetation polymer" (Expand search), "coder coder complexity reduction polymer" (Expand search), "coder coder complexity cordination polymer" (Expand search), "coder coder complexity coordination polymer" (Expand search), "coder code complexity cognition polymer" (Expand search), "coder model complexity cognition polymer" (Expand search), "coder lower complexity cognition polymer" (Expand search), "coder decoder complexity cognition polymer" (Expand search), "code code complexity cognition polymer" (Expand search), "decoder codec complexity cognition polymer" (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 complexity cognition polymer") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder complexity cognition polymer\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder complexity cognition polymer ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder complexity cognition polymer") OR ("on python python python programming"))*.