Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"van lieu data slippers" » "van lieu dao slippers", "van bieu dat slippers", "van lieu da slippers", "vat lieu data slippers", "van hieu data slippers", "van lien data slippers", "van lieu data slippery", "van lieu data grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("van lieu data slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( van lieu data slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("van lieu data slippers"))) or ("locating bug code snippets"))*.