Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat cua he snippets" » "dai cua he snippets", "day cua he snippets", "mat cua he snippets", "dat cua che snippets", "dat cua te snippets", "dat cua le 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 he 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 he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat cua he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat cua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.