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