Perhaps you should try some spelling variations:
"nhung thi dan snippets" » "nhung thoi dan snippets", "phung thi dan snippets", "nhung tri dan snippets", "nhung thi doan snippets", "nhung thi lan snippets", "nhung thi dai snippets", "nhung thi dan 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 thi dan 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 thi dan snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung thi dan snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung thi dan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.