Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung la lanh slippers" » "dung lam lanh slippers", "dung lai lanh slippers", "dung lao lanh slippers", "dung lap lanh slippers", "dung ly lanh slippers", "dung la lanh slippery", "dung la lanh grippers"
"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 la lanh 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 la lanh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung la lanh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung la lanh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.