Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu nhan tap snippets" » "thu nhap tap snippets", "thu nhat tap snippets", "thu ngan tap snippets", "thu nhan tai snippets", "thu nhan tao snippets", "thu han tap snippets", "thu nhan tap 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 nhan tap 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 nhan tap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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