Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"gio ngan van snippets" » "kim ngan van snippets", "ro ngan van snippets", "so ngan van snippets", "gio nhan van snippets", "gio ngan han snippets", "gio ngan hang snippets", "gio ngan van 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: (((("gio ngan van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gio ngan van snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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