Perhaps you should try some spelling variations:
"dung hang tu slippers" » "dung thang tu slippers", "dung khang tu slippers", "dung dang tu slippers", "dung hoang tu slippers", "dung hanh tu slippers", "dung hang tu slippery", "dung hang tu 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: (((("dung hang tu 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 hang tu slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung hang tu slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung hang tu slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.