Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong song don snippets" » "dong son don snippets", "song song don snippets", "dong cong don snippets", "dong song dong snippets", "dong song con snippets", "dong tong don 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 ("dong song don snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dong song don snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dong song don snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dong song don snippets"))) or ("locating bug code snippets"))*.