Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tran tai hoe snippets" » "trang tai hoe snippets", "tran thi hoe snippets", "toan tai hoe snippets", "tran tai he snippets", "tran tai khoa snippets", "tran thai hoc 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: (((("tran tai hoe snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran tai hoe snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran tai hoe snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran tai hoe snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.