Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"day danh ven snippets" » "day manh ven snippets", "dai danh ven snippets", "dao danh ven snippets", "day dan ven snippets", "day danh yen snippets", "day doanh vien snippets", "day danh ven slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("day danh ven snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("day danh ven snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day danh ven snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day danh ven snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.