Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat tieu nom snippets" » "day tieu nom snippets", "dat hieu nom snippets", "dat yeu nom snippets", "dat trieu nam snippets", "dat tieu hoa snippets", "dat ten nom 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 tieu nom 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 tieu nom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat tieu nom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat tieu nom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.