Perhaps you should try some spelling variations:
"coder coder convolution integer programming" » "coder coder convolution integral programming" (Expand search), "coder coder convolution linear programming" (Expand search), "coder model convolution integer programming" (Expand search), "coder codes convolutional integer programming" (Expand search), "coder decoder convolutional integer programming" (Expand search), "coder decoder convolution integer programming" (Expand search), "code code convolution integer programming" (Expand search), "decoder codec convolution integer programming" (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: "((\"coder coder convolution integer programming\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder convolution integer programming ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder convolution integer programming") OR ("_ python python python programming"))*.