Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung mo trong slippers" » "dung moi trong slippers", "dung mo rong slippers", "dung ro trong slippers", "dung co trong slippers", "dung cho trong slippers", "dung von trong slippers", "dung mo trong slippery", "dung mo trong 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 mo trong 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 mo trong slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung mo trong slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung mo trong slippers"))) or ("locating bug code snippets"))*.