Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tri cac nhan snippets" » "tri ca nhan snippets", "tri cac nha snippets", "tri cam nhan snippets", "tri mac nhan snippets", "tai cac nhan snippets", "tri dac nhan snippets"

Try widening your search to All Fields.

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