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