Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc ke cac snippets" » "hoc ke code snippets", "hoc ket cac snippets", "hoc ky cac snippets", "hoc he cac snippets", "hoc ke cau snippets", "hoc ve cac snippets", "hoc de cac snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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