Perhaps you should try some spelling variations:
"trinh chieu tro snippets" » "trinh chiu tro snippets", "trinh thiet tro snippets", "trinh chu tro snippets", "trinh chi tro snippets", "trinh chieu cao snippets", "trinh chieu gio snippets", "trinh chieu tro 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"

Try widening your search to All Fields.

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

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