Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"doi du nhat snippets" » "doi do nhat snippets", "doi du chat snippets", "doi lu nhat snippets", "doi dau nhat snippets", "doi deu nhat snippets", "doi duy nhat snippets", "doi du nhat slippers"

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: (((("python using java snippets") or ("doi du nhat snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doi du nhat snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doi du nhat snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doi du nhat snippets"))) or ("locating bugs code snippets"))*.