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