Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"trinh tan dung slippers" » "trinh toan dung slippers", "trinh han dung slippers", "trinh van dung slippers", "trinh tran dung slippers", "trinh tin dung slippers", "trinh tan dung slippery", "trinh tan dung 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 java java snippets") or ("trinh tan dung slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trinh tan dung slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh tan dung slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh tan dung slippers"))) or ("locating bug code snippets"))*.