Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung da lat slippers" » "dung dat lat slippers", "dung dan lat slippers", "dung dau lat slippers", "dung da lam slippers", "dung da lat slippery", "dung da lat 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 da lat 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 da lat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung da lat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung da lat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.