Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dang va cad snippets" » "dang van cad snippets", "dang vat cad snippets", "hang va cad snippets", "dang va cac snippets", "dang va cao snippets", "dang va cai 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 cad 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 cad snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang va cad snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang va cad snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.