Perhaps you should try some spelling variations:
"nhung tri phan snippets" » "nhung bai phan snippets", "nhung bi phan snippets", "nhung gi phan snippets", "nhung tri nhan snippets", "nhung tai phan snippets", "nhung trinh phan snippets", "nhung tri phan 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 tri phan 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 tri phan snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung tri phan snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung tri phan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.