Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thi hao sung snippets" » "thi hao hung snippets", "thi chao mung snippets", "thi hao quang snippets", "thi thao sung snippets", "thi hai sung snippets", "thi ha sung snippets", "thi hao sung 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 hao sung 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 hao sung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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