Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"data using java snippets" » "data using data snippets"
"dung duoc dat snippets" » "dong duoc dat snippets", "cung duoc dat snippets", "dung quoc dat snippets", "dung duoc bat snippets", "dung duoc dai snippets", "dung duoc dan 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: (((("dung duoc dat snippets") OR ("data using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dung duoc dat snippets ) or ( data using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung duoc dat snippets") or ("data using java snippets"))) or ("locating bug core snippets"))*.