Perhaps you should try some spelling variations:
"trinh doi doanh snippets" » "trinh do doanh snippets", "trinh hoi doanh snippets", "tinh doi doanh snippets", "trinh voi doanh snippets", "trinh dong doanh snippets", "trinh tri doanh snippets", "trinh doi doanh 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: (((("trinh doi doanh snippets") or ("dung dung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh doi doanh snippets") OR ("dung dung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh doi doanh snippets ) or ( dung dung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh doi doanh snippets") or ("dung dung code snippets"))) or ("locating bug code snippets"))*.