Perhaps you should try some spelling variations:
"coder coder time dynamic programming" » "coder coder time genetic programming" (Expand search), "coder coder time dynamics programming" (Expand search), "coder coder the dynamic programming" (Expand search), "coder decoder time dynamic programming" (Expand search), "code code time dynamic programming" (Expand search), "decoder codec time dynamic programming" (Expand search), "coder cover time dynamic programming" (Expand search), "coder modern time dynamic programming" (Expand search), "coder over time dynamic 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 time dynamic programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder time dynamic programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder time dynamic programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder time dynamic programming") OR ("on python python python programming"))*.