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