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