Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac phan san snippets" » "cac nhan san snippets", "cao phan san snippets", "cap phan san snippets", "cac phan van snippets", "cac phan lan snippets", "cac pha san snippets"

Try widening your search to All Fields.

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