Perhaps you should try some spelling variations:
"dang java java snippets" » "dang va java snippets", "dang java java slippers"
"dung tre dang snippets" » "dung tren dang snippets", "dung tri dang snippets", "dung tru dang snippets", "dung tre dan snippets", "dung tre lang snippets", "dung tran dang snippets", "dung tre dang 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 java java snippets") or ("dung tre dang snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang java java snippets") OR ("dung tre dang snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( dung tre dang snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("dung tre dang snippets"))) or ("locating bug code snippets"))*.