Perhaps you should try some spelling variations:
"dang java java snippets" » "dang va java snippets", "dang java java slippers"
"dung dan tran snippets" » "dung dat tran snippets", "dung san tran snippets", "tung dan tran snippets", "dung dang tran snippets", "dung tan tran snippets", "dung dan than snippets", "dung dan tran 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 dan tran 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 dan tran snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( dung dan tran snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("dung dan tran snippets"))) or ("locating bug code snippets"))*.