Perhaps you should try some spelling variations:
"dung dung dat snippets" » "duong dung dat snippets", "ung dung dat snippets", "dung ung dat snippets", "dung dung va snippets", "dung dung tai snippets"
"trinh do code snippets" » "trinh ky code snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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