Perhaps you should try some spelling variations:
"coder precoder string cone programming" » "coder precoder string and programming" (Expand search), "coder precoder string computer programming" (Expand search), "coder precoder string _ programming" (Expand search), "coder decoder string cone programming" (Expand search), "coder precoder during cone programming" (Expand search), "coder precoder string model programming" (Expand search), "coder precoder bearing cone 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 precoder string cone programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder string cone programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder string cone programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder string cone programming") OR ("on python python python programming"))*.