Perhaps you should try some spelling variations:
"coder coder receiver operating method" » "coder coder receiver operational method" (Expand search), "coder coder receiver operative methods" (Expand search), "coder coder receiver averaging method" (Expand search), "coder power receiver operating method" (Expand search), "coder tower receiver operating method" (Expand search), "coder modern receivers operating method" (Expand search), "coder decoder receiver operating method" (Expand search), "code code receiver operating method" (Expand search), "decoder codec receiver operating method" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder receiver operating method") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder receiver operating method\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder receiver operating method ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder receiver operating method") OR ("_ python python python programming"))*.