Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tu tin cua snippets" » "tu tin code snippets", "tu tinh cua snippets", "tu tien cua snippets", "tu tan cua snippets", "thu tin cua snippets", "tu tieng cua snippets", "tru tinh 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: (((("tu tin 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: (((("tu tin cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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