Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"bai nghe va snippets" » "thai nghe va snippets", "van nghe va snippets", "nam nghe va snippets", "bai nghe dan snippets", "bai nghe va slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("bai nghe va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bai nghe va snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bai nghe va snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai nghe va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.