Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung tren gio slippers" » "dung trong gio slippers", "dung trung gio slippers", "dung tren go slippers", "dung trien giao slippers", "dung tren gio slippery", "dung tren gio 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 tren gio 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 tren gio slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung tren gio slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung tren gio slippers"))) or ("locating bug code snippets"))*.