Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"oi trong tan snippets" » "oi trong san snippets", "oi trong quan snippets", "oi trong cac snippets", "doi trong tan snippets", "hoi trong tan snippets", "moi trong tan 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: (((("oi trong tan snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("oi trong tan snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("oi trong tan snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.