Perhaps you should try some spelling variations:
"coder decode _ efficient coding" » "coder decode _ efficient routing" (Expand search), "coder decode _ efficient cement" (Expand search), "coder decoder _ efficient coding" (Expand search), "encoder decoder _ efficient coding" (Expand search), "code code _ efficient coding" (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 decode _ efficient coding") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decode _ efficient coding\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decode _ efficient coding ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decode _ efficient coding") OR ("api python python python programming"))*.