Perhaps you should try some spelling variations:
"dung dan huong slippers" » "dung dan phuong slippers", "dung doan huong slippers", "dung ban huong slippers", "dung dat huong slippers", "dung san huong slippers", "tung dan huong slippers", "dung dan huong slippery", "dung dan huong 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 dan huong 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 dan huong slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dan huong slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dan huong slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.