Perhaps you should try some spelling variations:
"cho doi code snippets" » "cho doi cong snippets", "cho doi co snippets", "cho doi de snippets", "cho moi code snippets", "cuoc doi code snippets", "cho tuoi code snippets", "cho doi code slippers"
"python using a snippets" » "python using a 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: (((("cho doi code snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho doi code snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho doi code snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho doi code snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.