Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cung cu cach snippets" » "chung cu cach snippets", "cung cua cach snippets", "cong cu cach snippets", "cung cuu cach snippets", "cung tu cach snippets", "cung ca cach 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: (((("cung cu cach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cung cu cach snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cung cu cach snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cung cu cach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.