Perhaps you should try some spelling variations:
"coder sampling vector coding problem" » "coder sampling error coding problem" (Expand search), "coder comparing vector coding problem" (Expand search), "under sampling vector coding problem" (Expand search), "core sampling vector coding problem" (Expand search), "over sampling vector coding problem" (Expand search), "coder sampling vector coding problems" (Expand search), "coder sampling vector coping problem" (Expand search), "coder sampling vector loading 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)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder sampling vector coding problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder sampling vector coding problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder sampling vector coding problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder sampling vector coding problem") OR ("api python python python programming"))*.