Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat thu hon snippets" » "dat phu hon snippets", "sat thuc hon snippets", "dat tieu hon snippets", "dat thu hoan snippets", "dat thu hong snippets", "dat thu hoi 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 thu hon 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 thu hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat thu hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat thu hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.