Perhaps you should try some spelling variations:
"trong cac code snippets" » "trong cac cong snippets", "trong cac co snippets", "trong cac che snippets", "trong cac code slippers"
"tich va code snippets" » "tinh va code snippets", "dich va code snippets", "tich va 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: (((("tich va code snippets") or ("trong cac code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tich va code snippets") OR ("trong cac code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tich va code snippets ) or ( trong cac code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tich va code snippets") or ("trong cac code snippets"))) or ("locating bug code snippets"))*.