Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung bua sang slippers" » "dung cua sang slippers", "dung qua sang slippers", "dung sua sang slippers", "dung lua sang slippers", "dung bua sang slippery", "dung bua sang 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 bua sang 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 bua sang slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung bua sang slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung bua sang slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.