Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan van le snippets" » "phan van code snippets", "pham van le snippets", "thanh van le snippets", "luan van le snippets", "phan van de snippets", "phan ban le 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: (((("python using java snippets") OR ("phan van le snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( phan van le snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("phan van le snippets"))) or ("locating bug core snippets"))*.