Perhaps you should try some spelling variations:
"coder coding using problems generated" » "coder coding using problem generated" (Expand search), "coder coding using problems generalized" (Expand search), "coder coding using problems generation" (Expand search), "coder coding housing problems generated" (Expand search), "coder coding ising problem generated" (Expand search), "modern coding using problems generated" (Expand search), "color coding using problems generated" (Expand search), "odor coding using problems generated" (Expand search), "coder modeling using problems generated" (Expand search), "coder drying using problems generated" (Expand search)
"api in python python programming" » "api in pythons python programming" (Expand search), "api in piton python programming" (Expand search), "api in pitons python programming" (Expand search), "api _ python python programming" (Expand search), "api an python python programming" (Expand search), "fpi in python python programming" (Expand search), "gpi in 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 coding using problems generated") OR ("api in python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding using problems generated\") OR (\"api in python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding using problems generated ) OR ( api in python python programming ))*.