Perhaps you should try some spelling variations:
"hung tran nhat slippers" » "huong tran nhat slippers", "quang tran nhat slippers", "hung thang nhat slippers", "hung toan nha slippers", "hung tran chau slippers", "hung tran nhat slippery", "hung tran nhat 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: (((("hung tran nhat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hung tran nhat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hung tran nhat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hung tran nhat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.