Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using data grippers" » "python using java grippers", "python using sat grippers", "python missing data grippers", "python using data slippers"
"du hoc dai snippets" » "du hoc dan snippets", "tu hoc dai snippets", "duoc hoc dai snippets", "du hoc dai slippers"

Try widening your search to All Fields.

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