Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung ca giang slippers" » "dung cua giang slippers", "dung ha giang slippers", "dung ma giang slippers", "dung cac giang slippers", "dung cam giang slippers", "dung ca giang slippery", "dung ca giang 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 ca giang 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 ca giang slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ca giang slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ca giang slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.