Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chon van den snippets" » "chon van code snippets", "chon va den snippets", "thong van den snippets", "phong van den snippets", "chon van de snippets", "chon van der snippets", "chon ban den snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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