Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuon sach so snippets" » "cuon sach code snippets", "duong sach so snippets", "cuoc cach so snippets", "co sach so snippets", "cuon mach so snippets", "cuon sach lo snippets", "cuon sach song snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"

Try widening your search to All Fields.

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