Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran minh cao snippets" » "tran minh code snippets", "tran dinh cao snippets", "van minh cao snippets", "xuan minh cao snippets", "tran tinh cao snippets", "tran minh dao snippets"
"dung java java snippets" » "dung va java 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 ("tran minh cao snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( tran minh cao snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("tran minh cao snippets"))) or ("locating bug core snippets"))*.