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