Perhaps you should try some spelling variations:
"coder decoder strings in problems" » "coder encoded strings in problems" (Expand search), "encoder decoder strings in problems" (Expand search), "coder decoder strings in problem" (Expand search), "coder decoder strings on problems" (Expand search), "coder decoder strings open problems" (Expand search), "coder decoder springs in problems" (Expand search), "coder decoder stings in problems" (Expand search), "coder decoder settings in 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 decoder strings in problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder strings in problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder strings in problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder strings in problems") OR ("api python python python programming"))*.