Perhaps you should try some spelling variations:
"dang dung tri slippers" » "dan dung tri slippers", "dang hung tri slippers", "dang quang tri slippers", "dang dung tai slippers", "dang dung tren slippers", "dang nhung tri slippers", "dang dung tri slippery", "dang dung tri grippers"
"dung java java snippets" » "dung va java 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 dung tri slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang dung tri slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang dung tri slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang dung tri slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.