Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"van ngon lua snippets" » "van ngoc lua snippets", "van ngan lua snippets", "ban ngon lua snippets", "van nguong lua snippets", "van nguon luc snippets", "van ngo cua snippets", "van ngon lua 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: (((("van ngon lua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van ngon lua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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