Perhaps you should try some spelling variations:
"nhung cau thac snippets" » "chung cu thac snippets", "nhung bai thac snippets", "nhu cau thac snippets", "nhung cao thach snippets", "nhung cau thang snippets", "nhung cau thi snippets", "nhung cau thac slippers"
"dung java java snippets" » "dung va java snippets", "dung java 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: (((("nhung cau thac 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 cau thac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung cau thac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung cau thac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.