Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi sinh cua snippets" » "thi sinh code snippets", "thai sinh cua snippets", "thi minh cua snippets", "thi hinh cua snippets", "thi manh cua snippets", "thi dinh cuu snippets", "thi sinh va 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: (((("thi sinh 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: (((("thi sinh cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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