Perhaps you should try some spelling variations:
"coder coder based integer programming" » "coder coder based linear programming" (Expand search), "coder coder based inter programming" (Expand search), "coder coder based internet programming" (Expand search), "coder coder based integral programming" (Expand search), "coder decoder based integer programming" (Expand search), "code code based integer programming" (Expand search), "decoder codec based integer programming" (Expand search), "coder code based integer programming" (Expand search), "coder foder based integer programming" (Expand search), "coder codec based integer 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 based integer programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder based integer programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder based integer programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder based integer programming") OR ("on python python python programming"))*.