Perhaps you should try some spelling variations:
"toc tieu trinh snippets" » "toc tien trinh snippets", "toc tien thinh snippets", "toc trieu tinh snippets", "toc thieu trinh snippets", "hoc tieu trinh snippets", "hoc thieu trinh snippets", "toc tieu trinh slippers"
"dung dung code snippets" » "duong dung code snippets", "ung dung code snippets", "dung ung code snippets", "dung dung cong snippets", "dung dung co snippets", "dung dung de snippets", "dung dung code slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dung dung code snippets") or ("toc tieu trinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dung code snippets") OR ("toc tieu trinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dung code snippets ) or ( toc tieu trinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dung code snippets") or ("toc tieu trinh snippets"))) or ("locating bug code snippets"))*.