Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lu hanh xac slippers" » "lu hanh cac slippers", "lu hinh xac slippers", "lu nhanh bac slippers", "luu hanh xac slippers", "du hanh xac slippers", "ly hanh xac slippers", "lu hanh xac slippery", "lu hanh xac grippers"
"locating bug code snippets" » "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: (((("python using java snippets") or ("lu hanh xac slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("lu hanh xac slippers"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("lu hanh xac slippers"))) or ("locating bug code snippets"))*.