Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van toi cau snippets" » "van toi code snippets", "van tai cau snippets", "van thi cau snippets", "van toan cau snippets", "van hoi cau snippets", "van loi cau snippets", "van toi cac 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: (((("van toi cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van toi cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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