Perhaps you should try some spelling variations:
"coder coder complexity bound programa" » "coder code complexity bound programa" (Expand search), "coder model complexity bound programa" (Expand search), "coder lower complexity bound programa" (Expand search), "coder coder complexity bounds programa" (Expand search), "coder coder complexity beyond programa" (Expand search), "coder coder complexity and programa" (Expand search), "coder coder complexity round program" (Expand search), "coder coder complexity bound programacao" (Expand search), "coder coder complexity prouni programa" (Expand search), "coder decoder complexity bound programa" (Expand search), "code code complexity bound programa" (Expand search), "decoder codec complexity bound programa" (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 bound programa") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder complexity bound programa\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder complexity bound programa ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder complexity bound programa") OR ("on python python python programming"))*.