Perhaps you should try some spelling variations:
"dung chung java snippets" » "dung cong java snippets", "dung trung java snippets", "truong chung java snippets"
"dung tao de snippets" » "dung tai de snippets", "dung bao de snippets", "dung tay de snippets", "dung tao he snippets", "dung nao de snippets", "dung cao de 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 chung java snippets") or ("dung tao de snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung chung java snippets") OR ("dung tao de snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung chung java snippets ) or ( dung tao de snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung chung java snippets") or ("dung tao de snippets"))) or ("locating bug code snippets"))*.