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