Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"nhung cu cong snippets" » "nhung cau cong snippets", "nhung chu cong snippets", "chung cu cong snippets", "nhung cua cong snippets", "nhung cuu 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: (((("nhung cu 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: (((("nhung cu cong snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung cu cong snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung cu cong snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.