Perhaps you should try some spelling variations:
"coder coder material dynamical programming" » "coder coder material dynamic programming" (Expand search), "coder coder material dinamic programming" (Expand search), "coder coder material dynamic programing" (Expand search), "coder coder material dinamica programming" (Expand search), "coder coder material dynamics programming" (Expand search), "coder poder material dynamical programming" (Expand search), "coder cover materials dynamical programming" (Expand search), "coder powder material dynamical programming" (Expand search), "coder decoder material dynamical programming" (Expand search), "code code material dynamical programming" (Expand search), "decoder codec material dynamical 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 material dynamical programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder material dynamical programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder material dynamical programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder material dynamical programming") OR ("api python python python programming"))*.