Perhaps you should try some spelling variations:
"coder coder pattern subspace problem" » "coder coder pattern surface problem" (Expand search), "coder coder pattern substance problem" (Expand search), "coder coder pattern obstacle problem" (Expand search), "coder coder pattern subgraph problem" (Expand search), "coder cover pattern subspace problem" (Expand search), "coder cover patterns subspace problem" (Expand search), "coder powder pattern subspace problem" (Expand search), "coder decoder pattern subspace problem" (Expand search), "code code pattern subspace problem" (Expand search), "decoder codec pattern subspace 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 pattern subspace problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder pattern subspace problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder pattern subspace problem") OR ("api python python python programming"))*.