Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using java snippets" » "python using data snippets"
"khoa hoc anh snippets" » "hoa hoc anh snippets", "khoa hoc nganh snippets", "khoa hoc nhanh snippets", "khoa hoc sinh snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("khoa hoc anh snippets") or ("python using java snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa hoc anh snippets") OR ("python using java snippets"))) OR ("locating bug code slippers")).
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• Adding a wildcard symbol may retrieve word variants: (((("khoa hoc anh snippets") or ("python using java snippets"))) or ("locating bug code slippers"))*.