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