Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khoe cua thu snippets" » "kho cua thu snippets", "khoa cua thu snippets", "khoi cua thu snippets", "khoe cua chu snippets", "khoe ca thu snippets", "khoe cua tu snippets", "khoe cua thu 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: (((("khoe cua thu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoe cua thu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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