Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"can cac thoi snippets" » "can cac toi snippets", "can cac hop snippets", "can cac tro snippets", "ca cac thoi snippets", "can cau thoi snippets", "can tac thoi snippets"

Try widening your search to All Fields.

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