Perhaps you should try some spelling variations:
"coder coding using optimisation problem" » "coder coding using optimisation problems" (Expand search), "coder coding using optimization problem" (Expand search), "coder coding using optimization problems" (Expand search), "coder coding finding optimisation problem" (Expand search), "coder coding design optimisation problem" (Expand search), "modern coding using optimisation problem" (Expand search), "color coding using optimisation problem" (Expand search), "odor coding using optimisation problem" (Expand search), "coder loading using optimisation problem" (Expand search), "coder modeling using optimisation problem" (Expand search), "coder drying using optimisation 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 coding using optimisation problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding using optimisation problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding using optimisation problem") OR ("api python python python programming"))*.