Perhaps you should try some spelling variations:
"code code vector optimization problem" » "code code vector optimization problems" (Expand search), "code code tocher optimization problem" (Expand search), "code code trajectory optimization problem" (Expand search), "code code selection optimization problem" (Expand search), "code node vector optimization problem" (Expand search), "code model vector optimization problem" (Expand search), "code some vector optimization problem" (Expand search), "code cdc vector optimization 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.

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