Perhaps you should try some spelling variations:
"trinh chat hieu slippers" » "tinh chat hieu slippers", "trinh luat hieu slippers", "trinh han hieu slippers", "trinh nhat hieu slippers", "trinh chat thien slippers", "trinh nhat chieu slippers", "trinh chat hieu slippery", "trinh chat hieu 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: (((("dung java java snippets") or ("trinh chat hieu slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trinh chat hieu slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh chat hieu slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh chat hieu slippers"))) or ("locating bug code snippets"))*.