Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi van hanh slippers" » "phi van thanh slippers", "phi ban hanh slippers", "phi van anh slippers", "phi san hanh slippers", "thi van hanh slippers", "phi va hanh slippers", "phi van hanh slippery", "phi van hanh 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: (((("phi van hanh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi van hanh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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