Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung doi danh slippers" » "huong doi danh slippers", "dung tai danh slippers", "dung co danh slippers", "dung doi doanh slippers", "dung do danh slippers", "dung doi hanh slippers", "dung doi danh slippery", "dung doi danh grippers"
"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: (((("dung java java snippets") or ("dung doi danh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dung doi danh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung doi danh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung doi danh slippers"))) or ("locating bug code snippets"))*.