Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"long van du snippets" » "long van code snippets", "luong van du snippets", "song van du snippets", "lang van du snippets", "long van duy snippets", "long van dau snippets", "long van de snippets"
"python using java snippets" » "python using data 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: (((("long van du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( long van du snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("long van du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.