Perhaps you should try some spelling variations:
"dung quoc dat slippers" » "dang quoc dat slippers", "dong quoc dat slippers", "trung quoc dat slippers", "dung duoc dat slippers", "dung quoc dan slippers", "dung quoc danh slippers", "dung quoc dat slippery", "dung quoc dat 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 quoc dat 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 quoc dat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung quoc dat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung quoc dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.