Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"dung cac lap snippets" » "luong cac lap snippets", "dung cho lap snippets", "dung tai lap snippets", "dung cac lop snippets", "dung cac cap snippets", "dung cac tap 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 cac lap snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dung cac lap snippets ) or ( dung java java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung cac lap snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.