Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"phan bia data slippers" » "phan ba data slippers", "phan giai data slippers", "phan bien data slippers", "phan big data slippers", "phan a data slippers", "phan gia dat slippers", "phan bia data slippery", "phan bia data 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 bia data 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 bia data slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan bia data slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan bia data slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.