Perhaps you should try some spelling variations:
"coder the complexity database and" » "coder the complex databases and" (Expand search), "coder the complexity data and" (Expand search), "coder the complexity database _" (Expand search), "code the complexity database and" (Expand search), "cover the complexity database and" (Expand search), "poder the complexity database and" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder the complexity database and\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder the complexity database and ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder the complexity database and") OR ("using coding python python programming"))*.