Perhaps you should try some spelling variations:
"dung cua nhan snippets" » "dung luan nhan snippets", "dung cho nhan snippets", "dung ca nhan snippets", "dung cua ngan snippets", "dung cua nha snippets", "dung cua nhan slippers"
"dang va java snippets" » "dang van java snippets", "dang vat java snippets", "hang va java snippets", "dang java java snippets", "dang va java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dang va java snippets") or ("dung cua nhan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang va java snippets") OR ("dung cua nhan snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang va java snippets ) or ( dung cua nhan snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang va java snippets") or ("dung cua nhan snippets"))) or ("locating bug code snippets"))*.