Perhaps you should try some spelling variations:
"trinh tham dam snippets" » "trinh cham dam snippets", "trinh tam dam snippets", "trinh kham dam snippets", "trinh thuat dam snippets", "trinh thanh dam snippets", "trinh tham tham snippets", "trinh tham dam slippers"
"dung trong code snippets" » "dung trong cong snippets", "dung trong co snippets", "dung trong che snippets", "dung trong 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 tham dam snippets") or ("dung trong code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh tham dam snippets") OR ("dung trong code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh tham dam snippets ) or ( dung trong code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh tham dam snippets") or ("dung trong code snippets"))) or ("locating bug code snippets"))*.