Perhaps you should try some spelling variations:
"coder coder sampling adjoint problem" » "coder coder sampling point problem" (Expand search), "coder coder sampling points problem" (Expand search), "coder coder sampling among problem" (Expand search), "coder under sampling adjoint problem" (Expand search), "coder over sampling adjoint problem" (Expand search), "coder core sampling adjoint problem" (Expand search), "coder decoder sampling adjoint problem" (Expand search), "code code sampling adjoint problem" (Expand search), "decoder codec sampling adjoint problem" (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 sampling adjoint problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder sampling adjoint problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder sampling adjoint problem") OR ("api python python python programming"))*.