Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"gui van hau snippets" » "bui van hau snippets", "nguoi van hau snippets", "gioi van hau snippets", "gui van ha snippets", "gui van hai snippets", "gui van dau snippets", "gui van hau 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: (((("gui van hau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gui van hau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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