Perhaps you should try some spelling variations:
"coder coder redes parallel processing" » "coder coder redes parallel programming" (Expand search), "coder coder series parallel processing" (Expand search), "coder coder models parallel processing" (Expand search), "coder coder level parallel processing" (Expand search), "coder decoder redes parallel processing" (Expand search), "code code redes parallel processing" (Expand search), "decoder codec redes parallel processing" (Expand search), "coder poder redes parallel processing" (Expand search), "coder modelar redes parallel processing" (Expand search), "coder moderno redes parallel processing" (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.

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