Perhaps you should try some spelling variations:
"dung lieu bai slippers" » "dung hieu bai slippers", "dung tieu bai slippers", "dung viet bai slippers", "dung lieu tai slippers", "dung lieu va slippers", "dung lieu xay slippers", "dung lieu bai slippery", "dung lieu bai 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 lieu bai 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 lieu bai slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung lieu bai slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung lieu bai slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.