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