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