Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tu ngan dot snippets" » "tu ngan code snippets", "tu nhan dot snippets", "tu ngan gon snippets", "tu ngay do snippets", "vu ngan dot snippets", "tu ngay dot snippets", "te ngan dot snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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