Perhaps you should try some spelling variations:
"coder coding public data preprocessing" » "coder coding public data processing" (Expand search), "coder coping public data preprocessing" (Expand search), "coder costing public data preprocessing" (Expand search), "coder going public data preprocessing" (Expand search), "modern coding public data preprocessing" (Expand search), "color coding public data preprocessing" (Expand search), "odor coding public data preprocessing" (Expand search), "coder coding public debate preprocessing" (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 coding public data preprocessing") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding public data preprocessing\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding public data preprocessing ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding public data preprocessing") OR ("api python python python programming"))*.