Perhaps you should try some spelling variations:
"dang hoang duy snippets" » "quang hoang duy snippets", "dang cong duy snippets", "dang hung duy snippets", "dang hoang huy snippets", "dang hoang dung snippets", "dang hoang de snippets", "dang hoang duy slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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 ("dang hoang duy snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dang hoang duy snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dang hoang duy snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dang hoang duy snippets"))) or ("locating bug code snippets"))*.