Perhaps you should try some spelling variations:
"hoang trong con snippets" » "khoang trong con snippets", "hoang vuong con snippets", "cong trong con snippets", "hoang trong cong snippets", "hoang trong co snippets", "hoang trong can snippets"
"hoang dung con snippets" » "hoang tung con snippets", "hoang vuong con snippets", "thong dung con snippets", "hoang dung cong snippets", "hoang dung von snippets", "hoang dung co snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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