Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dan tu doc snippets" » "danh tu doc snippets", "dan su doc snippets", "ban tu doc snippets", "dan tu duoc snippets", "dan tu hoc snippets", "dan tu do snippets"

You may be able to get more results by adjusting your search query.

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