Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"so cac hoat snippets" » "so cac code snippets", "so cao hoat snippets", "so cac hat snippets", "so cac khoan snippets", "sao cac hoat snippets", "so cap hoat snippets", "o cac hoat snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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