Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tinh van luc snippets" » "trinh van luc snippets", "dinh van luc snippets", "tinh va luc snippets", "tinh van loc snippets", "tinh van duc snippets", "tinh van lu snippets", "tinh van luc 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: (((("tinh van luc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tinh van luc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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