Perhaps you should try some spelling variations:
"trinh hoan dat slippers" » "trinh han dat slippers", "trinh hoa dat slippers", "trinh toan dat slippers", "trinh hoang dat slippers", "trinh hon dat slippers", "trinh hoan dat slippery", "trinh hoan 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java snippets") or ("trinh hoan dat 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 hoan dat slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh hoan dat slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh hoan dat slippers"))) or ("locating bug code snippets"))*.