Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trien do cua snippets" » "trien do code snippets", "trien dot cua snippets", "tien do cua snippets", "trien du cua snippets", "trien doi cua snippets", "trien co cua snippets", "trien de cua snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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