Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh cao lan slippers" » "doanh cao lan slippers", "danh cho lan slippers", "danh ca lan slippers", "danh cao van slippers", "danh cao dang slippers", "danh cao tang slippers", "danh cao lan slippery", "danh cao lan 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: (((("danh cao lan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh cao lan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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