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