Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"nam trung va snippets" » "nam trong va snippets", "tai trung va snippets", "ba trung va snippets", "nam truong va snippets", "nam trang va snippets", "nam trung ha snippets", "nam trung 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 trung 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 trung va snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nam trung va snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nam trung va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.