Perhaps you should try some spelling variations:
"dung dung con snippets" » "duong dung con snippets", "ung dung con snippets", "dung ung con snippets", "dung dung cong snippets", "dung dung von snippets", "dung dung co snippets"
"dung cac java snippets" » "luong cac java snippets", "dung cho java snippets", "dung tai java 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 cac java snippets") or ("dung dung con snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cac java snippets") OR ("dung dung con snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cac java snippets ) or ( dung dung con snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cac java snippets") or ("dung dung con snippets"))) or ("locating bug code snippets"))*.