Perhaps you should try some spelling variations:
"trinh cham dat slippers" » "trinh chat dat slippers", "trinh chao dat slippers", "trinh han dat slippers", "trinh chap dat slippers", "trinh cham mat slippers", "trinh pham dat slippers", "trinh cham dat slippery", "trinh cham dat 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"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trinh cham dat slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh cham dat slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh cham dat slippers"))) or ("locating bug code snippets"))*.