Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"con trung dat snippets" » "chon truong dat snippets", "doan trung dat snippets", "dong trung dat snippets", "con trung dai snippets", "con trong dat snippets", "con trung dam 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 java java snippets") OR ("con trung dat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( con trung dat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("con trung dat snippets"))) or ("locating bug core snippets"))*.