Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"san dam non snippets" » "van dam non snippets", "san pham non snippets", "toan dam non snippets", "san mam non snippets", "san dam cong snippets", "san dam dong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("san dam non snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("san dam non snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san dam non snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san dam non snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.