Perhaps you should try some spelling variations:
"coder coder precoding chave programa" » "coder coherent precoding chave programa" (Expand search), "coder linear precoding chave programa" (Expand search), "coder coder precoding scheme programa" (Expand search), "coder coder precoding chaves programa" (Expand search), "coder coder precoding octave programa" (Expand search), "coder coder precoding chaves program" (Expand search), "coder decoder precoding chave programa" (Expand search), "code code precoding chave programa" (Expand search), "decoder codec precoding chave programa" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 precoding chave programa\") OR (\"on python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder precoding chave programa ) OR ( on python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder precoding chave programa") OR ("on python python python programming"))*.