Perhaps you should try some spelling variations:
"coder coder threading learning problem" » "coder coder reading learning problem" (Expand search), "coder coder creating learning problem" (Expand search), "coder coder reading learnings problem" (Expand search), "coder coder threading learning problems" (Expand search), "coder coder threading planning problem" (Expand search), "coder coder threading learning program" (Expand search), "coder decoder threading learning problem" (Expand search), "code code threading learning problem" (Expand search), "decoder codec threading learning 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 threading learning problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder threading learning problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder threading learning problem") OR ("api python python python programming"))*.