Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"yun hang cau snippets" » "yun hang code snippets", "yu hang cau snippets", "yun pang cau snippets", "yun wang cau snippets", "yun hang dau snippets", "yun hang ca snippets", "yun nhung cau snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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