Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"doc dai thu snippets" » "duoc dai thu snippets", "hoc dai thu snippets", "duc dai thu snippets", "doc dai thua snippets", "doc dai thuc snippets", "doc doi thu snippets", "doc dai thu 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: (((("doc dai thu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc dai thu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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