Perhaps you should try some spelling variations:
"coder coder case example problems" » "coder coder case sample problems" (Expand search), "coder coder case sample problem" (Expand search), "coder coder case complex problems" (Expand search), "coder coder an example problems" (Expand search), "coder coder the example problems" (Expand search), "coder decoder case example problems" (Expand search), "code code case example problems" (Expand search), "decoder codec case example problems" (Expand search), "coder border case example problems" (Expand search), "coder power case example problems" (Expand search), "coder lower case example problems" (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 case example problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder case example problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder case example problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder case example problems") OR ("api python python python programming"))*.