Perhaps you should try some spelling variations:
"can hanh trinh snippets" » "can canh tranh snippets", "can hanh chinh snippets", "ban hanh trinh snippets", "van hanh trinh snippets", "dan hanh trinh snippets", "can hanh trinh 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", "locating bug core 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: (((("can hanh trinh snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can hanh trinh snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("can hanh trinh snippets") or ("python using a snippets"))) or ("locating bug code snippets"))*.