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