Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"trinh van ly snippets" » "trinh han ly snippets", "trinh quan ly snippets", "trinh toan ly snippets", "trinh van ky snippets", "trinh van le snippets", "trinh van lu snippets", "trinh van ly slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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