Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"mong doi tap snippets" » "vong doi tap snippets", "dong doi tap snippets", "mong do tap snippets", "mong doi tac snippets", "mong doi dap snippets", "mong doi tai snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("mong doi tap snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("mong doi tap snippets"))) OR ("locating bug core snippets")).
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