Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong van den snippets" » "cong van code snippets", "cong vang den snippets", "cong san den snippets", "song van den snippets", "cong van de snippets", "cong van der snippets", "cong ban den snippets"
"dung java java snippets" » "dung va java snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java snippets") or ("cong van den snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("cong van den snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( cong van den snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("cong van den snippets"))) or ("locating bug core snippets"))*.