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