Perhaps you should try some spelling variations:
"coder coder containing variable problem" » "coder coder containing vegetable problem" (Expand search), "coder coder controlling variables problem" (Expand search), "coder coder confounding variables problem" (Expand search), "coder copper containing variable problem" (Expand search), "coder powder containing variable problem" (Expand search), "coder model containing variable problem" (Expand search), "coder coder containing variable probit" (Expand search), "coder coder containing variable power" (Expand search), "coder coder containing variable prices" (Expand search), "coder decoder containing variable problem" (Expand search), "code code containing variable problem" (Expand search), "decoder codec containing variable 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder containing variable problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder containing variable problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder containing variable problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder containing variable problem") OR ("api python python python programming"))*.