Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"phan dinh java slippers" » "phan tich java slippers", "xuan dinh java slippers", "tran dinh java slippers", "phan trinh java slippers", "phan dinh va slippers", "phan dinh java slippery", "phan dinh java 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 java java snippets") or ("phan dinh java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("phan dinh java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( phan dinh java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("phan dinh java slippers"))) or ("locating bug code snippets"))*.