Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets", "python using data slippers"
"thu tu tin snippets" » "thu tuc tin snippets", "tu tu tin snippets", "thu thuy tin snippets", "thu thu tin snippets", "thu tu tieng snippets", "thu tru tinh snippets", "thu tu tin slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("thu tu tin snippets") or ("python using data snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu tu tin snippets") OR ("python using data snippets"))) OR ("locating bugs code snippets")).
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