Perhaps you should try some spelling variations:
"coder poder in data preprocessing" » "coder poder in data processing" (Expand search), "poder poder in data preprocessing" (Expand search), "codesc poder in data preprocessing" (Expand search), "poder power in data preprocessing" (Expand search), "coder poder i3 data preprocessing" (Expand search), "coder poder _ data preprocessing" (Expand search), "coder poder 4 data 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.

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