Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan quang do snippets" » "dan quang code snippets", "dang quang do snippets", "doan quang do snippets", "van quang do snippets", "dan quang d snippets", "dan quang de snippets", "dan quang dong 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 ("dan quang do snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dan quang do snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dan quang do snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dan quang do snippets"))) or ("locating bug core snippets"))*.