Perhaps you should try some spelling variations:
"dang hung len snippets" » "dang quang len snippets", "manh hung len snippets", "dang cong len snippets", "dang hung yen snippets", "dang dung len snippets", "dang hung lin snippets", "dang hung len 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: (((("dang hung len snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang hung len snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang hung len snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang hung len snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.