Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung may chi snippets" » "dung va chi snippets", "dung tai chi snippets", "mang may chi snippets", "dung may che snippets", "dung my chi snippets", "dung may thi 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 may chi 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 may chi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung may chi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung may chi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.