Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat cua de snippets" » "dai cua de snippets", "day cua de snippets", "mat cua de snippets", "dat cua te snippets", "dat cua du snippets", "dat cua he 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: (((("dat cua de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat cua de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat cua de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat cua de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.