Perhaps you should try some spelling variations:
"coder coder decoder test problems" » "coder encoder decoder test problems" (Expand search), "coder coder decoder nesting problems" (Expand search), "coder coder disorder test problems" (Expand search), "coder coder bender test problems" (Expand search), "coder coder denver test problems" (Expand search), "code code decoder test problems" (Expand search), "decoder codec decoder test problems" (Expand search), "codesc poder decoder test 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), "rpa python 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 decoder test problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder decoder test problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder decoder test problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder decoder test problems") OR ("api python python python programming"))*.