Perhaps you should try some spelling variations:
"coder coder the frequency data" » "coder coder the frequency and" (Expand search), "coder coder the frequency domain" (Expand search), "coder decoder the frequency data" (Expand search), "code code the frequency data" (Expand search), "decoder codec the frequency data" (Expand search), "coder code the frequency data" (Expand search), "coder cover the frequency data" (Expand search), "coder poder the frequency data" (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 the frequency data") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder the frequency data\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder the frequency data ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder the frequency data") OR ("_ python python python programming"))*.