Perhaps you should try some spelling variations:
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data snippets"
"dung rong hoat snippets" » "dung trong hoat snippets", "dung cong hoat snippets", "dung dong hoat snippets", "dung dong hoa snippets", "dung cong hoa 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 rong hoat snippets") or ("dung using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung rong hoat snippets") OR ("dung using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung rong hoat snippets ) or ( dung using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung rong hoat snippets") or ("dung using java snippets"))) or ("locating bug code snippets"))*.