Perhaps you should try some spelling variations:
"coder coding _ railways coding" » "coder coding _ railways rolling" (Expand search), "coder coding _ railways using" (Expand search), "coder coding _ railway loading" (Expand search), "modern coding _ railways coding" (Expand search), "color coding _ railways coding" (Expand search), "odor coding _ railways 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), "manim 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 coding _ railways coding") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding _ railways coding\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding _ railways coding ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding _ railways coding") OR ("api python python python programming"))*.