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