Perhaps you should try some spelling variations:
"sinh kiem data slippers" » "trinh kiem data slippers", "binh khiem data slippers", "sinh vien data slippers", "sinh kiem sat slippers", "sinh lieu data slippers", "sinh kiem data slippery", "sinh kiem 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: (((("sinh kiem 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: (((("sinh kiem data slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sinh kiem data slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sinh kiem data slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.