Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"nam dan va snippets" » "nam dinh va snippets", "nam doan va snippets", "nam dan ca snippets", "nam ban va snippets", "nam dan 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: (((("nam dan 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: (((("nam dan va snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam dan va snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam dan va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.