Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"luc bat mach snippets" » "luc ban mach snippets", "luc xuat mach snippets", "luc tao mach snippets", "suc bat mach snippets", "luc nhat mach snippets", "luat bat mach snippets"

Try widening your search to All Fields.

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