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