Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi thap cua snippets" » "thi thap code snippets", "thi thao cua snippets", "thi phap cua snippets", "thu thap cua snippets", "thi thai cua snippets", "thi than cua snippets", "thi tap cua snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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