Perhaps you should try some spelling variations:
"coder coder strength optimization problem" » "coder coder strength estimation problem" (Expand search), "coder coder search optimization problem" (Expand search), "coder coder through optimization problem" (Expand search), "coder coder strength optimization problems" (Expand search), "coder power strength optimization problem" (Expand search), "coder coke strength optimization problem" (Expand search), "coder node strength optimization problem" (Expand search), "coder decoder strength optimization problem" (Expand search), "code code strength optimization problem" (Expand search), "decoder codec strength 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 strength optimization problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder strength optimization problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder strength optimization problem") OR ("api python python python programming"))*.