Perhaps you should try some spelling variations:
"dung trong java snippets" » "dung trinh java snippets"
"dung tren cong snippets" » "dung trung cong snippets", "dung trien cong snippets", "dung tien cong snippets", "dung tran cong 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 trong java snippets") or ("dung tren cong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung trong java snippets") OR ("dung tren cong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung trong java snippets ) or ( dung tren cong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung trong java snippets") or ("dung tren cong snippets"))) or ("locating bug code snippets"))*.