Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"than doc da snippets" » "than doc code snippets", "than doc dao snippets", "than doc va snippets", "than loc da snippets", "thanh doc da snippets", "phan doc da snippets", "tran doc da 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: (((("than doc da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than doc da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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