Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung doi van slippers" » "huong doi van slippers", "dung tai van slippers", "dung co van slippers", "dung do van slippers", "dung doi va slippers", "dung doi ban slippers", "dung doi van slippery", "dung doi van 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 doi van 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 doi van slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung doi van slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung doi van slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.