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