Perhaps you should try some spelling variations:
"trong bau data slippers" » "trong ban data slippers", "trong ba data slippers", "trong dau data slippers", "trong big data slippers", "trong a data slippers", "trong bau vat slippers", "trong bau data slippery", "trong bau data grippers"
"dung java java snippets" » "dung va java snippets"
"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: (((("trong bau 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: (((("trong bau data slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong bau data slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong bau data slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.