Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tro van anh snippets" » "tho van anh snippets", "tao van anh snippets", "tro va anh snippets", "tro van thanh snippets", "tro van minh snippets", "tro tuan anh snippets", "tro van anh 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: (((("tro van anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tro van anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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