Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan tan bi snippets" » "phan van bi snippets", "phan tap bi snippets", "phan lan bi snippets", "phan than bi snippets", "phan tan binh snippets", "phan tan bien 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: (((("python using java snippets") OR ("phan tan bi snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( phan tan bi snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("phan tan bi snippets"))) or ("locating bug core snippets"))*.