Perhaps you should try some spelling variations:
"dung trinh java slippers" » "dung tinh java slippers", "dong trinh java slippers", "cong trinh java slippers", "dung trinh java slippery", "dung trinh java grippers"
"trinh do code snippets" » "trinh ky code snippets", "trinh do core snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

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

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