Perhaps you should try some spelling variations:
"coder sampling vector coding problems" » "coder sampling error coding problems" (Expand search), "coder comparing vector coding problems" (Expand search), "coder sampling vector loading problems" (Expand search), "coder sampling vector counting problems" (Expand search), "coder sampling vector covering problems" (Expand search), "under sampling vector coding problems" (Expand search), "core sampling vector coding problems" (Expand search), "over sampling vector coding problems" (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 sampling vector coding problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder sampling vector coding problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder sampling vector coding problems") OR ("api python python python programming"))*.