Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu hoan tim snippets" » "thi hoan tim snippets", "thu hoach tim snippets", "thu ha tim snippets", "thu hoang kim snippets", "thu hoan kiem snippets", "thu toan tin snippets", "thu hoan tim 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: (((("thu hoan tim snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu hoan tim snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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