Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"den lam trac snippets" » "den lam truoc snippets", "den tap trac snippets", "den lam tai snippets", "de lam trac snippets", "den cam trac snippets", "den lay trac snippets"

Try widening your search to All Fields.

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