Perhaps you should try some spelling variations:
"trinh chap dat snippets" » "trinh chat dat snippets", "tranh chap dat snippets", "trinh chao dat snippets", "trinh phap day snippets", "trinh cai dat snippets", "trinh lap dat snippets"
"dung cac code snippets" » "luong cac code snippets", "dung cho code snippets", "dung tai code snippets", "dung cac cong snippets", "dung cac co snippets", "dung cac che snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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