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