Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phong ho vi snippets" » "phong cho vi snippets", "phong tho vi snippets", "phung ho vi snippets", "phong hoc vi snippets", "phong hoa vi snippets", "phong ho voi snippets", "phong ho vi 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: (((("phong ho vi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phong ho vi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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