Perhaps you should try some spelling variations:
"coder code mining code complexity" » "coder code mining case complexity" (Expand search), "coder code mining the complexity" (Expand search), "coder code mining and complexity" (Expand search), "coder code mixing code complexity" (Expand search), "coder score mining code complexity" (Expand search), "coder ore mining code complexity" (Expand search), "code code mining code complexity" (Expand search), "modern code mining code complexity" (Expand search), "color code mining code complexity" (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.

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