Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tro hoi tran snippets" » "tro hoi trac snippets", "tro thoi trang snippets", "tro hoi thanh snippets", "tro choi tran snippets", "tao hoi tran snippets", "tri hoi tran snippets", "tro hoi tran 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 hoi tran 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 hoi tran snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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