Perhaps you should try some spelling variations:
"coder optimization method learning problem" » "coder optimization methods learning problem" (Expand search), "code optimization method learning problem" (Expand search), "modern optimization method learning problem" (Expand search), "powder optimization method learning problem" (Expand search), "coder optimization method learning problems" (Expand search), "coder optimization method planning problem" (Expand search), "coder optimization method learning program" (Expand search), "coder optimization meta learning problem" (Expand search), "coder optimization metric learning problem" (Expand search), "coder optimization centred learning 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 optimization method learning problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder optimization method learning problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder optimization method learning problem") OR ("api python python python programming"))*.