Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung duc hoan snippets" » "duong duc hoan snippets", "dang duc hoan snippets", "dung du hoan snippets", "dung duc hoang snippets", "dung duc hoa snippets", "dung duc toan 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: (((("dung duc hoan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung duc hoan snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung duc hoan snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung duc hoan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.