Perhaps you should try some spelling variations:
"coder coder controller math problem" » "coder mode controller math problem" (Expand search), "coder order controller math problem" (Expand search), "coder power controller math problem" (Expand search), "coder coder controller smith problem" (Expand search), "coder coder controller with problem" (Expand search), "coder coder controller multi problem" (Expand search), "coder coder controller math problems" (Expand search), "coder coder controller path problem" (Expand search), "coder coder controller path problems" (Expand search), "coder decoder controller math problem" (Expand search), "code code controller math problem" (Expand search), "decoder codec controller math 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 controller math problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder controller math problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder controller math problem") OR ("api python python python programming"))*.