Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"data using java snippets" » "data using data snippets"
"dung con nhat snippets" » "dung cong nhat snippets", "dung von nhat snippets", "dung co nhat snippets", "dung lon nhat snippets", "dung cong nhan snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung con nhat snippets") or ("data using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung con nhat snippets") OR ("data using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung con nhat snippets ) or ( data using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung con nhat snippets") or ("data using java snippets"))) or ("locating bug core snippets"))*.