Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"van khoe ban snippets" » "van hoe ban snippets", "van khoa ban snippets", "van kho ban snippets", "van khien ban snippets", "van khoe quan snippets", "van khoi bay snippets", "van khoe ban 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: (((("van khoe ban snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van khoe ban snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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