Perhaps you should try some spelling variations:
"coder coder span prediction problem" » "coder coder span selection problem" (Expand search), "coder coder space prediction problem" (Expand search), "coder coder pain prediction problem" (Expand search), "coder coder spread prediction problem" (Expand search), "coder decoder span prediction problem" (Expand search), "code code span prediction problem" (Expand search), "decoder codec span prediction problem" (Expand search), "coder border spain prediction problem" (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 span prediction problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder span prediction problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder span prediction problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder span prediction problem") OR ("api python python python programming"))*.