Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"pho cho minh snippets" » "pho chi minh snippets", "pho cho sinh snippets", "pho cao minh snippets", "pho ho minh snippets", "phong cho minh snippets", "choi cho minh snippets", "pho cho minh 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: (((("pho cho minh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pho cho minh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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