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