Perhaps you should try some spelling variations:
"coder and complexity database from" » "coder and complex databases from" (Expand search), "coder and complexity data from" (Expand search), "code and complexity database from" (Expand search), "codes and complexity database from" (Expand search), "poder and complexity database from" (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 and complexity database from\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder and complexity database from ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder and complexity database from") OR ("using coding python python programming"))*.