Perhaps you should try some spelling variations:
"nhan hieu trinh snippets" » "nhan tieu trinh snippets", "nhan lieu tinh snippets", "nhan tien trinh snippets", "nhan dieu trinh snippets", "phan hieu trinh snippets", "nha hieu trinh snippets", "nhan hieu trinh 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: (((("dung java java snippets") or ("nhan hieu trinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("nhan hieu trinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( nhan hieu trinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("nhan hieu trinh snippets"))) or ("locating bug code snippets"))*.