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