Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"trinh tin va snippets" » "trinh kinh va snippets", "trinh toan va snippets", "trinh tu va snippets", "trinh tien va snippets", "trinh tinh va snippets", "trinh tin vao snippets"

Try widening your search to All Fields.

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