Perhaps you should try some spelling variations:
"coder coder document summarization based" » "coder coffee document summarization based" (Expand search), "coder order documents summarization based" (Expand search), "coder body document summarization based" (Expand search), "coder decoder document summarization based" (Expand search), "code code document summarization based" (Expand search), "decoder codec document summarization based" (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 coder document summarization based\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder document summarization based ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder document summarization based") OR ("api python python python programming"))*.