Perhaps you should try some spelling variations:
"coder _ sampling java programming" » "coder _ sampling and programming" (Expand search), "coder _ sampling based programming" (Expand search), "coder _ sampling goal programming" (Expand search), "coder _ sampling data programming" (Expand search), "coder _ sampling gaps 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)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder _ sampling java programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder _ sampling java programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder _ sampling java programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder _ sampling java programming") OR ("api python python python programming"))*.