Perhaps you should try some spelling variations:
"coder coder model convexity problem" » "coder coder model convective problem" (Expand search), "coder coder model cavity problem" (Expand search), "coder coder model obesity problem" (Expand search), "coder coder model complexity problem" (Expand search), "coder coder model context problem" (Expand search), "coder coder one convexity problem" (Expand search), "coder decoder model convexity problem" (Expand search), "code code model convexity problem" (Expand search), "decoder codec model convexity problem" (Expand search), "coder cover model convexity problem" (Expand search), "coder copper model convexity 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 model convexity problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder model convexity problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder model convexity problem") OR ("api python python python programming"))*.