Perhaps you should try some spelling variations:
"coder coder curring optimization problem" » "coder coder current optimization problem" (Expand search), "coder coder coupling optimization problem" (Expand search), "coder coder sourcing optimization problem" (Expand search), "coder coder curring optimization problems" (Expand search), "coder laser curring optimization problem" (Expand search), "coder decoder curring optimization problem" (Expand search), "code code curring optimization problem" (Expand search), "decoder codec curring 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 curring optimization problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder curring optimization problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder curring optimization problem") OR ("api python python python programming"))*.