Perhaps you should try some spelling variations:
"coder coder precedente visual programming" » "coder coder precedente fetal programming" (Expand search), "coder code precedent visual programming" (Expand search), "coder code precedents visual programming" (Expand search), "coder contra precedente visual programming" (Expand search), "coder decoder precedente visual programming" (Expand search), "code code precedente visual programming" (Expand search), "decoder codec precedente visual programming" (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 precedente visual programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder precedente visual programming\") OR (\"on python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder precedente visual programming ) OR ( on python python python programming ))*.