Perhaps you should try some spelling variations:
"trinh danh bat slippers" » "trinh dinh bat slippers", "trinh dan bat slippers", "trinh anh bat slippers", "trinh doanh bat slippers", "trinh anh bai slippers", "trinh dinh ba slippers", "trinh danh bat slippery", "trinh danh bat 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 danh bat 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 danh bat slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh danh bat slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh danh bat slippers"))) or ("locating bug code snippets"))*.