Perhaps you should try some spelling variations:
"coder coder compositional optimization problem" » "coder coder computational optimization problem" (Expand search), "coder coder operational optimization problem" (Expand search), "coder coder position optimization problem" (Expand search), "coder coder compositional optimization problems" (Expand search), "coder code composition optimization problem" (Expand search), "coder meter compositional optimization problem" (Expand search), "coder zone compositional optimization problem" (Expand search), "coder decoder compositional optimization problem" (Expand search), "code code compositional optimization problem" (Expand search), "decoder codec compositional optimization 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 compositional optimization problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder compositional optimization problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder compositional optimization problem") OR ("api python python python programming"))*.