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