Perhaps you should try some spelling variations:
"coder coder channels using problem" » "coder covert channels using problem" (Expand search), "coder color channels using problem" (Expand search), "coder power channels using problem" (Expand search), "coder coder channel using problem" (Expand search), "coder coder channels in problem" (Expand search), "coder coder channels housing problems" (Expand search), "coder coder channels routing problem" (Expand search), "coder coder channels cutting problem" (Expand search), "coder decoder channels using problem" (Expand search), "code code channels using problem" (Expand search), "decoder codec channels using 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 channels using problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder channels using problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder channels using problem") OR ("api python python python programming"))*.