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