Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thap dan cu snippets" » "thap dan code snippets", "hap dan cu snippets", "tap dan cu snippets", "thap da cu snippets", "thap dan cua snippets", "thap dan ca snippets", "thap dan su snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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