Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thi son ngan snippets" » "thi von ngan snippets", "thi so ngan snippets", "thi xon ngan snippets", "thai son ngan snippets", "thi song ngan snippets", "thi mon ngan snippets", "thi son ngan 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: (((("thi son ngan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi son ngan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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