Perhaps you should try some spelling variations:
"modern code complexity complex problem" » "modern case complexity complex problem" (Expand search), "modern care complexity complex problem" (Expand search), "modern the complexity complex problem" (Expand search), "modern code complexity complex problems" (Expand search), "model code complexity complex problem" (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: (("modern code complexity complex problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modern code complexity complex problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( modern code complexity complex problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("modern code complexity complex problem") OR ("api python python python programming"))*.