Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"voi ba truc snippets" » "voi cau truc snippets", "voi ba trung snippets", "voi dai truc snippets", "voi bau truc snippets", "voi bia truc snippets", "hoi ba truc snippets", "voi ba truc 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: (((("voi ba truc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("voi ba truc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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