Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"han viet ms snippets" » "san viet ms snippets", "van viet ms snippets", "dan viet ms snippets", "han viet mo snippets", "han viet my snippets", "han viet man snippets", "han viet ms 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: (((("han viet ms snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( han viet ms snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("han viet ms snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.