Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dao cac thoi snippets" » "dao cac toi snippets", "dao cac hop snippets", "dao cac tro snippets", "do cac thoi snippets", "sao cac thoi snippets", "tao cac thoi 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 ("dao cac thoi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dao cac thoi snippets"))) OR ("locating bug core snippets")).
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