Perhaps you should try some spelling variations:
"coder coder random variables problem" » "coder coder random variables problems" (Expand search), "coder coder random variable problem" (Expand search), "coder coder random variance problem" (Expand search), "coder copper random variables problem" (Expand search), "coder powder random variables problem" (Expand search), "coder under random variables problem" (Expand search), "coder decoder random variables problem" (Expand search), "code code random variables problem" (Expand search), "decoder codec random variables 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 random variables problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder random variables problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder random variables problem") OR ("api python python python programming"))*.