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