Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"xac cao dinh snippets" » "xac cao minh snippets", "xac co dinh snippets", "xac dao dinh snippets", "xa cao dinh snippets", "bac cao dinh snippets", "mach cao dinh snippets", "xac cao dinh 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: (((("xac cao dinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xac cao dinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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