Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ban viet uu snippets" » "san viet uu snippets", "bac viet uu snippets", "van viet uu snippets", "ban viet suu snippets", "ban viet tu snippets", "ban viet du snippets", "ban viet uu slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("ban viet uu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( ban viet uu snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("ban viet uu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.