Perhaps you should try some spelling variations:
"doan dieu data snippets" » "nhan dieu data snippets", "dang dieu data snippets", "toan dien data snippets", "doan lieu data snippets", "doan dieu hat snippets", "doan bieu dat snippets", "doan dieu 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: (((("doan dieu 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: (((("doan dieu data snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doan dieu data snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan dieu data snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.