Perhaps you should try some spelling variations:
"precoding in python python codigo" » "precoding in pythons python codigo" (Expand search), "precoding in piton python codigo" (Expand search), "precoding in pitons python codigo" (Expand search), "precoding in python python coding" (Expand search), "precoding in python python code" (Expand search), "precoding and python python codigo" (Expand search), "recording in python python codigo" (Expand search), "decoding in python python codigo" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"precoding in python python codigo\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( precoding in python python codigo ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("precoding in python python codigo") OR ("_ python python python programming"))*.