Perhaps you should try some spelling variations:
"coder coder externo linear programming" » "coder coder extensao linear programming" (Expand search), "coder comer externo linear programming" (Expand search), "coder poder externo linear programming" (Expand search), "coder cordao externo linear programming" (Expand search), "coder decoder externo linear programming" (Expand search), "code code externo linear programming" (Expand search), "decoder codec externo linear programming" (Expand search)
"monty python python python programming" » "monty pythons python python programming" (Expand search), "monty piton python python programming" (Expand search), "monty pitons python 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 externo linear programming") OR ("monty python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder externo linear programming\") OR (\"monty python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder externo linear programming ) OR ( monty python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder externo linear programming") OR ("monty python python python programming"))*.