Perhaps you should try some spelling variations:
"coder coder tin and preprocessing" » "coder coder tin and reprocessing" (Expand search), "coder coder tin data preprocessing" (Expand search), "coder coder tin and postprocessing" (Expand search), "coder decoder tin and preprocessing" (Expand search), "code code tin and preprocessing" (Expand search), "decoder codec tin and preprocessing" (Expand search), "coder copper tin and 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 coder tin and preprocessing") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder tin and preprocessing\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder tin and preprocessing ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder tin and preprocessing") OR ("api python python python programming"))*.