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