Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"chu hoc vinh snippets" » "chu hoc sinh snippets", "chu hoc kinh snippets", "chu hoc chinh snippets", "cho hoc vinh snippets", "cuu hoc vinh snippets", "cau hoc vinh snippets", "chu hoc vinh 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: (((("chu hoc vinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu hoc vinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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