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