Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hang cau ra snippets" » "hang dau ra snippets", "hang ca ra snippets", "nhung cau ra snippets", "hang cau tra snippets", "hang cau ha snippets", "hang cau va snippets", "hang cau ra 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: (((("hang cau ra snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang cau ra snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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