Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pham va toc snippets" » "pham va code snippets", "pham van toc snippets", "pham ma toc snippets", "pham tai toc snippets", "pham va doc snippets", "pham va tac snippets", "pham va ton snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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