Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van anh toc snippets" » "van anh code snippets", "van thanh toc snippets", "van minh toc snippets", "tuan anh toc snippets", "van anh hoc snippets", "van anh doc snippets", "van anh thuc snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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