Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung quang java snippets" » "dang quang java snippets", "luong quang java snippets", "dung luan java snippets", "dung quang va snippets"
"dung trong dat snippets" » "dung trong dam snippets", "dung trong dan snippets", "dung trong dao 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 quang java snippets") or ("dung trong dat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung quang java snippets") OR ("dung trong dat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung quang java snippets ) or ( dung trong dat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung quang java snippets") or ("dung trong dat snippets"))) or ("locating bug core snippets"))*.