Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dan luan che snippets" » "doanh luan che snippets", "dung luan che snippets", "tang luan che snippets", "dan luan chi snippets", "dan quan che snippets", "dan luan chat 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: (((("dan luan che snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan luan che snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan luan che snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan luan che snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.