Perhaps you should try some spelling variations:
"coder coder oder sample problem" » "coder coder oder complex problem" (Expand search), "coder decoder oder sample problem" (Expand search), "code code oder sample problem" (Expand search), "decoder codec oder sample problem" (Expand search), "coder coder modern sample problem" (Expand search), "coder coder over sampled problem" (Expand search), "coder coder under sample problem" (Expand search), "coder poder poder sample problem" (Expand search), "coder der oder sample problem" (Expand search), "coder coder decoder sample 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 oder sample problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder oder sample problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder oder sample problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder oder sample problem") OR ("api python python python programming"))*.