Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thi bo ngan snippets" » "thi boc ngan snippets", "thi ro ngan snippets", "thi so ngan snippets", "thi bao ngan snippets", "thi mo ngan snippets", "thi ba ngan snippets", "thi bo 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 bo 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 bo ngan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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