Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khoi su truc snippets" » "khoi tu truc snippets", "khoi cau truc snippets", "khoi su trung snippets", "khoa su truc snippets", "hoi su truc snippets", "thoi su truc snippets", "khoi su 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: (((("khoi su 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: (((("khoi su truc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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