Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khi noi thuc snippets" » "khi choi thuc snippets", "khi nghi thuc snippets", "khi cuoi thuc snippets", "khoi noi thuc snippets", "khi doi thuc snippets", "khi hoi thuc snippets", "khi noi thuc 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: (((("khi noi thuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khi noi thuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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