Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"lua sang thu snippets" » "luc sang thu snippets", "bua sang thu snippets", "cua sang thu snippets", "lua dang thu snippets", "lua rang thu snippets", "lua san thu snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("lua sang thu snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("lua sang thu snippets"))) OR ("locating bug core snippets")).
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