Perhaps you should try some spelling variations:
"dung land phi slippers" » "dung luan phi slippers", "dung lam phi slippers", "dung san phi slippers", "dung lang phi slippers", "dung lang phu slippers", "dung linh phi slippers", "dung land phi slippery", "dung land phi 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 land phi 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 land phi slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung land phi slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung land phi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.