Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan sang cho snippets" » "dan sang code snippets", "san sang cho snippets", "van sang cho snippets", "doanh sang cho snippets", "dan danh cho snippets", "dan dung cho snippets", "dan sang tao 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: (((("dan sang cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan sang cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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