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