Perhaps you should try some spelling variations:
"coder coder string theory proposed" » "coder coder string the proposed" (Expand search), "coder coder string theory purposes" (Expand search), "coder coder string theory processes" (Expand search), "coder coder nursing theory proposed" (Expand search), "coder cordel string theory proposed" (Expand search), "coder closed string theory proposed" (Expand search), "coder modelo string theory proposed" (Expand search), "coder decoder string theory proposed" (Expand search), "code code string theory proposed" (Expand search), "decoder codec string theory proposed" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python 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 string theory proposed") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder string theory proposed\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder string theory proposed ) OR ( api python python python programming ))*.