Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cuon anh co snippets" » "cuon danh co snippets", "cuoi anh co snippets", "cuong danh co snippets", "cuon anh so snippets", "cuon danh cho snippets", "cuon nganh 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: (((("dung java java snippets") or ("cuon anh co snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("cuon anh co snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( cuon anh co snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("cuon anh co snippets"))) or ("locating bug code snippets"))*.