Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"trong tren cac snippets" » "trong tien cac snippets", "thong tren cac snippets", "rong tren cac snippets", "trong trien cac snippets", "trong tren ca snippets", "trong tren cay snippets"
"locating bug core snippets" » "locating bug code snippets"

Try widening your search to All Fields.

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