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