Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"van anh tran slippers" » "van anh tuan slippers", "van anh toan slippers", "van anh trac slippers", "van thanh tran slippers", "van minh tran slippers", "tuan anh tran slippers", "van anh tran slippery", "van anh tran 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.

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