Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung thiet can snippets" » "dung thiet code snippets", "luong thiet can snippets", "tuong thiet can snippets", "dung chien can snippets", "dung thuyet can snippets", "dung thien van snippets", "dung tiep 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 java java snippets") or ("dung thiet can snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dung thiet can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung thiet can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung thiet can snippets"))) or ("locating bug core snippets"))*.