Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"shan dan luu snippets" » "nhan dan luu snippets", "phan dang luu snippets", "nhan dang luu snippets", "shan dan luan snippets", "shan dan luu 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: (((("shan dan luu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("shan dan luu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( shan dan luu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("shan dan luu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.