Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh mat cua snippets" » "danh mat code snippets", "danh bat cua snippets", "dang mat cua snippets", "danh muc cua snippets", "danh ma cua snippets", "danh manh cua snippets", "danh mang cua 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: (((("danh mat cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh mat cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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