Perhaps you should try some spelling variations:
"coder coder function design problem" » "coder coder functional design problem" (Expand search), "coder coder auction design problem" (Expand search), "coder coder foundation design problem" (Expand search), "coder modern function design problem" (Expand search), "coder power function design problem" (Expand search), "coder over function design problem" (Expand search), "coder decoder function design problem" (Expand search), "code code function design problem" (Expand search), "decoder codec function design 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 function design problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder function design problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder function design problem") OR ("api python python python programming"))*.