Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"phau nguoi co snippets" » "phau nguoi do snippets", "phau nguoi dao snippets", "phau nguoi moi snippets", "phan nguoi co snippets", "pham nguoi co snippets", "phap nguoi co 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: (((("phau nguoi co snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phau nguoi co snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phau nguoi co snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phau nguoi co snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.