Perhaps you should try some spelling variations:
"coder coder smooth dynamic programming" » "coder coder smooth genetic programming" (Expand search), "coder coder smooth dynamics programming" (Expand search), "coder coder smooth dynamical programming" (Expand search), "coder coder growth dynamic programming" (Expand search), "coder after smooth dynamic programming" (Expand search), "coder decoder smooth dynamic programming" (Expand search), "code code smooth dynamic programming" (Expand search), "decoder codec smooth dynamic programming" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python 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 smooth dynamic programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder smooth dynamic programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder smooth dynamic programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder smooth dynamic programming") OR ("api python python python programming"))*.