Perhaps you should try some spelling variations:
"coder coder defense system modeling" » "coder border defense system modeling" (Expand search), "coder cyber defense system modeling" (Expand search), "coder tower defense system modeling" (Expand search), "coder decoder defense system modeling" (Expand search), "code code defense system modeling" (Expand search), "decoder codec defense system modeling" (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), "manim 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 defense system modeling") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder defense system modeling\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder defense system modeling ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder defense system modeling") OR ("api python python python programming"))*.