Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hanh cao do snippets" » "hanh cao code snippets", "hanh cac do snippets", "hanh cat do snippets", "hanh cad do snippets", "hanh cao dao snippets", "hanh cau do snippets", "hanh cap do snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("hanh cao do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh cao do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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