Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"trinh he tuc snippets" » "trinh han tuc snippets", "trinh hoa tuc snippets", "trinh ky tuc snippets", "trinh le tuc snippets", "trinh ke tuc snippets", "trinh ve tuc snippets"

Try widening your search to All Fields.

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