Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dai tan cong snippets" » "dai tan code snippets", "dai tan cuong snippets", "dai tran cong snippets", "dai toan cong snippets", "dai han cong snippets", "hai tan cong snippets", "dai tai cong 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: (((("dai tan cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dai tan cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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