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