Perhaps you should try some spelling variations:
"coder coding and query complexity" » "coder coding and theory complexity" (Expand search), "coder coding and care complexity" (Expand search), "modern coding and query complexity" (Expand search), "color coding and query complexity" (Expand search), "odor coding and query complexity" (Expand search), "coder coding rna query complexity" (Expand search), "coder coding and queer complexity" (Expand search), "coder coding and quark complexity" (Expand search), "coder coding and queen 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 coding and query complexity\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding and query complexity ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding and query complexity") OR ("api python python python programming"))*.