Perhaps you should try some spelling variations:
"coder coder device optimization problem" » "coder coder device optimization problems" (Expand search), "coder coder service optimization problem" (Expand search), "coder coder revenue optimization problem" (Expand search), "coder coder engine optimization problem" (Expand search), "coder decoder device optimization problem" (Expand search), "coder copper device optimization problem" (Expand search), "coder coater device optimization problem" (Expand search), "code code device optimization problem" (Expand search), "decoder codec device 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), "manim python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder device optimization problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder device optimization problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder device optimization problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder device optimization problem") OR ("api python python python programming"))*.