Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dang va doi snippets" » "dang van doi snippets", "dang vat doi snippets", "hang va doi snippets", "dang va dai snippets", "dang va doc snippets", "dang va do 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: (((("dang va doi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang va doi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang va doi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang va doi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.