Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"huu cac thoi snippets" » "huu cac toi snippets", "huu cac hop snippets", "huu cac tro snippets", "cuu cac thoi snippets", "huu bac thoi snippets", "hieu cac thoi snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("huu 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: (((("huu cac thoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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