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