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