Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khoa ca truc snippets" » "khoa cam truc snippets", "khoa can truc snippets", "khoa cap truc snippets", "khoa cau truc snippets", "khoa ca tru snippets", "khoa ba truc snippets", "khoa ca 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: (((("khoa ca 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: (((("khoa ca truc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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