Perhaps you should try some spelling variations:
"coder coder time frequency modulated" » "coder coder time frequency modulation" (Expand search), "coder coder the frequency modulated" (Expand search), "coder decoder time frequency modulated" (Expand search), "code code time frequency modulated" (Expand search), "decoder codec time frequency modulated" (Expand search), "coder cover time frequency modulated" (Expand search), "coder modern time frequency modulated" (Expand search), "coder over time frequency modulated" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ 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 time frequency modulated\") OR (\"in python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder time frequency modulated ) OR ( in python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder time frequency modulated") OR ("in python python python programming"))*.