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