Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thuc hai phu snippets" » "thuc thai phu snippets", "tuc hai phu snippets", "thu hai phu snippets", "thuc hai chu snippets", "thuc hai thu snippets", "thuc hoi phu snippets", "thuc hai phu 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: (((("thuc hai phu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc hai phu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("thuc hai phu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.