Perhaps you should try some spelling variations:
"coder decoder teaching cobol programming" » "coder decoder teaching robot programming" (Expand search), "coder decoder teaching control programming" (Expand search), "coder decoder teaching robots programming" (Expand search), "coder recorder teaching cobol programming" (Expand search), "coder gender teaching cobol programming" (Expand search), "coder code teaching cobol programming" (Expand search), "coder decoder teaching common programming" (Expand search), "coder decoder teaching covid programming" (Expand search), "encoder decoder teaching cobol programming" (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 decoder teaching cobol programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder teaching cobol programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder teaching cobol programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder teaching cobol programming") OR ("api python python python programming"))*.