Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lao tan trac snippets" » "lao toan trac snippets", "lao tan tran snippets", "lao tap trac snippets", "lo tan trac snippets", "cao tan trac snippets", "lam tan trac snippets"

Try widening your search to All Fields.

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