Perhaps you should try some spelling variations:
"code code code classical problem" » "code code code classical problems" (Expand search), "code code code clinical problem" (Expand search), "code code code logical problem" (Expand search), "code code codes classical problem" (Expand search), "code code model classical problem" (Expand search), "code code some classical problem" (Expand search), "code cdc code classical 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: (("code code code classical problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"code code code classical problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( code code code classical problem ) OR ( api python python python programming ))*.