Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lan sang cho snippets" » "lan sang code snippets", "lanh sang cho snippets", "lam sang cho snippets", "san sang cho snippets", "lan danh cho snippets", "lan dung cho snippets", "lan sang tao 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: (((("lan sang cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan sang cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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